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European Corn Borer - Ecology and Management and Association with other Corn Pests
Agriculture in North America has been dramatically influenced by crops and pests carried by humans, either intentionally or accidentally into the region. Corn, or maize, probably originated in Central
Use of the Late-Spring Soil Nitrate Test in Iowa Corn Production
This publication replaces all earlier guidelines for use of the late-spring soil nitrate test and nitrogen application suggestions based on test results. Overall guidelines for nitrogen application
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Climate and Managing Corn-Soybean Argoecosystems Vol. 2
It is critical, given an increasingly variable climate and occurrence of extreme weather events, to develop and test management approaches that increase the adaptive capacity of corn-based agriculture
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Corn and Soybean Field Guide Web Book
Engage the crop scouting with expertly narrated videos, slide shows, interactive graphs, simulations, visual quizzes and more. This interactive textbook provides a guided learning experience and allow
Plant and Insect Diagnostic Clinic Plant Nematode Sample Submission Form
Download and use this form when submitting soil samples for nematode identification and counts. This form is for soybean cyst nematode egg counts, nematodes on corn, turfgrass nematodes, nematodes
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2017 Driftless Region Beef Conference proceedings
Cooperative Extension in Illinois, Iowa, Minnesota and Wisconsin partnered to offer the fifth annual Driftless Region Beef Conference on January 26-27, 2017 in Dubuque, Iowa. Each year this conference
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Agri-Climate Education: Preparing the Next Generation
This technical report provides observations and recommendations by faculty and others who participated on the Education Team of a 5-year research, extension and outreach project, which partnered 10 un
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Estimated Costs of Crop Production in Iowa - 2017
This publication estimates the cost of crop production in Iowa for 2017. Estimates for corn following corn, corn following soybeans, corn silage following corn, herbicide tolerant soybeans following c
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Bacterial Leaf Streak
This publication examines the symptoms of bacterial leaf streak in corn, describes how bacterial leaf streak differs from several other diseases that may look like it, and provides other information r
2016 Yellow book for soybean aphid
This publication provides soybean aphid treatment recommendations and application rates, based on research conducted at two northern Iowa research farms in 2016. In addition to treatment techniques, t
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2017 Herbicide Guide for Iowa Corn and Soybean Production
This publication provides information on product and management updates, the role of preemergence herbicides in glyphosate resistant crops, corn and soybean herbicide effectiveness ratings, herbicide
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Iowa Crop Performance Tests -- Corn 2016
The Iowa Crop Performance Tests for corn is conducted each year to help farmers select the best hybrids for their production conditions. All 6 Corn Districts are now conveniently combined into one p
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Corn Disease Loss Estimates For the United States and Ontario, Canada - 2013
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn
Climate and Managing Corn-Soybean Agroecosystems, Vol. 1 of 5
Corn is the major cereal crop of the United States, with two-thirds of national corn and soybean acreage concentrated in the upper Midwest. Farmers in the region have highly specialized knowledge and
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Corn Growth and Development - Key Growth Stages
Key Growth Stages - Intended to be used as a quick reference for key times in corn growth and development. It is a supplement to the larger Corn Growth and Development publication. This publicatio
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Corn Growth and Development - Corn Staging
Corn Staging - Intended to be used as a quick reference handout for corn staging. It is a supplement to the larger Corn Growth and Development publication. This publication is available in pri
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Poultry Industry Module
The learning objectives are as follows: Recognize how the poultry industry is divided. Describe how various production poultry are managed. Explain the different types of housing used for poultry prod
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Grain & Oilseed Basics Module
This module is to acquaint you with various grains and oilseeds grown in the United States and discusses how the major grains (wheat and corn) and soybeans are handled, processed, and used in food, fe
Corn Processing Module
This module is designed to help understand how corn is processed into food, feed, and industrial products and where potential food and feed safety problems may occur, and how corn processing fits into
Production Animal Feed Formulation Module
The module will identify personnel responsible for production animal feed formulation, identify differences in diet formulation between species of animals and phase production within a species, and co
Pricing Forage in the Field
This publication provides an explanation of how to price forage in the field. It includes details on corn silage, oats, hay and haylage, and cornstalks and examples for each.
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Hail on Corn in Iowa
This publication shows how to obtain an estimate of the potential yield loss from hail injury to corn. It describes the methods used to quantify injury and stand loss, as well as corn growth stages, w
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Bacterial Leaf Streak of Corn
Bacterial leaf streak, caused by Xanthomonas vasicola pv. Vasculorum, was recently identified in Iowa. The disease has been found in field corn, seed corn, popcorn and sweet corn. Based on what we kno
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Corn Disease Loss Estimates For the United States and Ontario, Canada - 2015
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn
Ear Rots
This publication describes common corn ear rots in the United States and Canada, discusses mycotoxins associated with these ear rots, and briefly addresses management of ear rots and affected grain. T
Mycotoxin FAQs
This publication answers frequently asked questions (FAQs) about the mycotoxins produced by corn ear rot fungi. The publication was developed by the Crop Protection Network, which includes authors fro
Corn Disease Management - Grain Sampling and Mycotoxin Testing
This publication recommends grain sampling and testing methods for detecting mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universiti
Corn Disease Management - Storing Mycotoxin-Affected Grain
This publication outlines how to manage stored grain affected by mycotoxins. This publication was created by the Crop Protection Network, which includes authors from Land Grant universities across th
Corn Disease Management - Using Atoxigenics to Manage Aflatoxin
Aspergillus ear rot is one of the most economically important corn ear rots in the southern United States. The fungus produces aflatoxin, which is a dangerous mycotoxin. Most governments regulate afl
Dryeration Module
Dryeration increases energy efficiency by 15 to 30 percent compared to high temperature drying with immediate cooling. This grain module is brought to you by the Iowa Grain Quality Initiative and was
Aeration Module
A look at how to maintain stored grain in good, quality condition, we’ll see how three different conditions interact to cause grain spoilage problems. This grain module is brought to you by the Iowa G
Fan Performance Module
As we look at using fans for drying and storage of grain, it's important to know what performance those fans are giving and what performance is needed in-order to select an appropriate fan for a dryin
Grain Drying Economics Module
Climate conditions in the upper Midwest states make it necessary for most corn harvested for grain to be dried artificially. Grain producers are faced with a variety of choices when it comes to market
Grain Storage Economics Module
Storage is a primary method to ration the use of commodity corn and soybeans once harvested, throughout the marketing year. This grain module is brought to you by the Iowa Grain Quality Initiative an
Corn and soybean Field Guide
This revised, 158-page pocket-sized guide (3-3/4" x 6") combines the Corn Field Guide and Soybean Field Guide in one publication for ease of use by corn and soybean farmers, agronomists, and
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Corn and soybean Field Guide (Unit=25)
This revised, 158-page pocket-sized guide (3-3/4" x 6") combines the Corn Field Guide and Soybean Field Guide in one publication for ease of use by corn and soybean farmers, agronomists, an
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A Farmer's Guide to Corn Diseases
A Farmer’s Guide to Corn Diseases provides an overview of the corn diseases that currently occur in the United states and Canada, with an emphasis on diagnosing diseases in the field. Information for
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Nitrogen Use in Iowa Corn Production
Nitrogen is essential for growth and reproduction of crops and is involved in many important plant biochemical processes. Nitrogen management is critical for optimal yields for corn production systems
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Midwest Farmer Adaptive Management Responses to Perceptions of Excess Water-related Risks
A helpful handout for discussing variables that may influence farmer decisions regarding on-farm management practices, such as the decision to plant or not plant cover crops. This handout is based on
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Charcoal Rot
This publication examines the symptoms of charcoal rot in soybean, describes how charcoal rot differs from several other diseases that may look like it, provides other scouting information, and manage
Climate Change and Agricultural Extension
This report describes lessons learned from social science research and the experiences of a team of university extension and outreach educators. The research and educators were a part of two USDA-NIFA
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Climate Change in the Corn Belt
Understand how climate change is impacting and will continue to impact the weather in the Corn Belt. Raymond Arritt's research encompasses mesoscale meteorology, regional climate, and aerobiology in t
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Risk Assessment Framework
Risk analysis activity for this project can be divided into two major components. The first section will examine the grain supply chain and determined the routes of potential compromises in food safet
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Crop Advantage Series 2016 - Managing Margins in 2016 and Beyond
Iowa State University Extension and Outreach Economist Chad Hart discusses his projections for corn and soybean yields in his presentation titled 'Managing Margins in 2016 and Beyond'. Hart gave the t
The Effectiveness of Neonicotinoid Seed Treatments in Soybean
Beginning in the early 2000s, neonicotinoids were increasingly used as seed treatments for field crops. More than 80 percent of corn and 40 percent of soybean acres nationally are planted with neonico
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Build Soil Organic Matter to Improve Your Crop Production System
A resource for farmers, teachers, and extension educators and agricultural advisors for understanding the benefits of building soil organic matter and how to build soil organic matter. This publicatio
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2015 Yellow book for soybean aphid
This publication provides soybean aphid treatment recommendations and application rates, based on research conducted at two northern Iowa research farms in 2015. In addition to treatment techniques
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Corn Disease Loss Estimates For the United States and Ontario, Canada - 2014
Created by the Crop Protection Network, which includes authors from land-grant universities across the North Central Region and Ontario, this publication documents the impact of major diseases on corn
Crop Production Clipboard
Crop production clipboards provide a handy way to keep key reference information with you in the office helping customers or scouting in corn and soybean fields. Calibration and conversions supplement
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Scouting for Phytophthora Root and Stem Rot in Soybean
Scouting for Phytophthora Root and Stem Rot in Soybean is a publication with information on how to identify, scout for, and manage the disease. The publication was developed by the Crop Protection Net
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Farmer Perspectives on Agricultural Practices, Information, and Weather Variability in the Corn Belt: A Statistical Atlas, Volume 2
This second atlas (Volume 2) provides additional results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' specific behaviors, beliefs about climate and weat
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Weed Identification Field Guide 2nd Edition (Unit=44)
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybe
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Views From the Field: Farmers on Changing Weather Patterns (Video)
In 2014, farmers across the Midwest were stepping up to the challenge of a more variable climate and extreme weather events. Hear several of them talk about their experiences and the practices they ha
Corn Belt farmers' concerns about water-related threats to farm viability
This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about how climate change and variable weather might affect soil
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Corn Belt farmers' concerns about drought and heat-related threats to their farm operations
This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about drought- and heat-related threats to their farm operations
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Corn Belt farmers' concerns about pest and disease related threats to their farm operations
This brief summarizes key results from a 2012 survey of 4,778 farmers in 11 Corn-belt states. Here, the focus is upon farmers' concerns about how climate change and variable weather might affect pests
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Introduction to Crop Marketing
An overview of corn and soybean marketing including the four basic marketing tools: cash sales, forward contracts, futures and options. Presented by Chad Hart, Iowa State University Extensio
Seasonal Price Trends
Review corn and soybean price patterns that repeats themselves with some degree of accuracy year after year in crop markets. Presented by Chad Hart, Iowa State University Extension econo
Stem Canker
This publication examines the symptoms of stem canker, describes how stem canker differs from several other plant problems that may look like stem canker, and provides other scouting information. The
Pod and Stem Blight and Phomopsis Seed Decay
This publication examines the symptoms of pod stem blight and phomopsis seed decay, describes how pod stem blight differs from several other plant problems that may look like pod stem blight, and prov
Soybean Vein Necrosis Virus
This publication examines the symptoms of soybean vein necrosis virus (SVNV), describes how SVNV differs from several other plant problems that may look like SVNV, and provides other scouting informat
Sulfur Management for Iowa Crop Production
Summary of statewide evaluation in Iowa of alfalfa and corn yield response to applied sulfur fertilizers. On-farm, small-plot and field-length strip trial yield response data presented from 2005-2013.
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Farmer attitudes toward farm-level adaptation to increased weather variability
This four-page fact sheet provides a summary of answers to four questions posed to farmers, about the need for farm-level adaptation to increased weather variability. The questions were a part of
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Corn Belt farmers' attitudes toward institutional support for adaptation to increased weather variability
This four-page fact sheet provides a summary of answers to four questions posed to farmers, about the need for institutional support for adaptation to increased weather variability. The questions
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Corn Belt farmers' attitudes toward actions to reduce greenhouse gas emissions
This four-page fact sheet provides a summary of answers to two questions posed to farmers, about the need for government and/or farmers to take actions to reduce greenhouse gas emissions. The ques
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Corn Belt farmers' beliefs about climate change and its causes
This four-page fact sheet provides a summary of answers to five questions posed to farmers, about climate change and its causes. The questions were a part of a USDA-NIFA-supported survey, conducte
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End of Season Cornstalk Nitrate Testing (Video)
This how-to video explains how to prepare a cornstalk sample for end of season lab testing of nitrate levels and how to interpret the results from the lab. This resource is part of the USDA-N
Woodchip Bioreactors: removing nitrate from field tile lines (Video)
This video explains how woodchip bioreactors remove nitrates from field tile lines. This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data from 35 fi
Ethanol Coproducts for Beef Cattle - Factors Affecting the Economics of Corn Coproducts in Cattle Rations
As the ethanol industry has expanded across Iowa and the Midwest, various corn coproducts have become more abundant and available. This publication addresses the proper ration formulation, economic an
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Ethanol Coproducts for Beef Cattle - Distillers Grains for Beef Cows
The ethanol boom has significantly impacted Iowa's livestock industry by providing an abundance of fresh corn coproducts for use as either a primary feed ingredient or supplement for beef cattle in al
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Ethanol Coproducts for Beef Cattle - Avoiding the Negative Effects of High Dietary Sulfur
During ethanol production, starch from corn is fermented to ethanol while the protein, fiber, and fat in the corn are concentrated into coproducts called distillers grains (DGS). This publication outl
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2014 Farm Bill Analyzer: Data and Methods
The ISU Farm Bill Analyzer is an educational tool to help Iowa corn and soybean farmers make informed decisions regarding the reallocation of base acres and election of a commodity program for the lif
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Understanding Water Needs of Diverse, Multi-year Crop Rotations
Crop rotation diversification is a tool farmers have to reduce economic risk, disrupt pest cycles, increase soil resilience, and improve water quality. Investigators with the Sustainable Corn Project
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Farmer Perspectives on Climate Change
These three articles and graphs summarize one project's social science research to develop a better understanding of farmer perspectives on climate change and what they think should be done to prepare
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Corn Belt Farmers' Adaptation to Increased Precipitation
Authors discuss and illustrate the complexity of on-farm management decisions and what influences their decisions, based on their research for the USDA-NIFA Sustainable Corn Project. Lois Wright Mo
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Scientists Explore Crop Management Options for Storing Soil Carbon
Article explains how some researchers are studying on-farm practices that are likely to increase carbon storage in soil. Lynn Laws is a communications specialist for Iowa State University and for t
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Lifecycle Benefits and Costs of Inorganic Nitrogen Fertilizer
A lot has been written about the downstream enivironmental costs of inorganic nitrogen fertilizer. Through an interview with Robert Anex, professor at the University of Wisconsin, this article exp
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In-season N Applications Increasing in Response to More Frequent Wet Springs
Peter Scharf makes a case for in-season applications of nitrogen, for corn systems. Scharf is a plant sciences professor at the University of Missouri and a principle investigator on the USDA-NIFA
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Winter Rye Cover Cropping System: A Long-term Investment
The benefits of cover crops are becoming well known, but researchers also want to know more about the long term impacts of cover crops on corn and soybean yields. Based on an interview with John Sa
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Research Shows Soybeans Provide Consistent Reduction in Nitrous Oxide Emissions
Michael Castellano shares his research findings that soybean crops reduce field emissions of nitrous oxide, a greenhouse gas. Castellano is an assistant professor of agronomy at Iowa State Universi
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Cover Crops Shown to Suppress Soybean Diseases
Darin Eastburn shares the results of studies that show use of cover crops tend to suppress diseases in soybean crops. Eastburn is an associate professor of Plant Pathology at the University of Illi
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Cover Crops Shelter Beneficial and Harmful Insects
Matthew O'Neal shares preliminary results of his studies of the response of both pests and beneficial insects to cover crops. O'Neal is an associate professor of entomology at Iowa State University
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Resilient Agriculture
This publication for farmers, farm advisors and agricultural teachers contains articles about some of the findings of a USDA-NIFA-funded project researching ways to make corn-soybean systems more resi
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Corn Growth and Development: Climate Matters
The author describes how and at what stages temperature, extreme rainfalls and other weather stresses can affect corn growth. Lori Abendroth is the project manager of the USDA-NIFA Sustainable Corn Pr
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Climate Change Impacts in the Corn Belt
Dennis Todey details the agricultural impacts of climate change occurring within the Corn Belt. Todey is the South Dakota State Climatologist at South Dakota State University, an associate professo
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Predicting the Impact of Increasing Temperatures on Corn Yield
Two scientists explain their research findings which predict the impacts of warmer temperatures on corn crops. Bruno Basso, Ph. D., is an associate professor of agroecosystems sciences at Michigan
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Corn Belt States Create Nutrient Reduction Strategies to Address Gulf of Mexico Hypoxia
Based on an interview with Catherine Kling and some of her writings on the topic, this article summarizes the problem of hypoxia in the Gulf of Mexico and actions needed to address the problem. Kli
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Drainage Water Management in the Corn Belt
Holding back drainage water in a field, with a water control structure, allows water to flow through longer pathways and seep into deeper soil layers. In addition to water quality benefits, it's possi
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Cover Crops Produce Benefits in Wet and Dry Times
In this publication, Lynn Laws describes how farmers and researchers are finding that cover crops provide benefits in both wet and dry seasons. Laws is a communications specialist for Iowa State Un
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Manure Storage & Handling - Permeable Covers
Permeable covers are used to reduce odors and emissions from manure storage structures. Permeable covers are materials such as a natural crust, straw, ground corn stalks, as well as expanded clays, c
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Industrial Corn Stover Harvest
Stakeholders in the corn stover supply chain will have to prepare for variations at harvest in stover moisture, field conditions, equipment operations, and after-harvest storage issues. This publicati
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Corn Stover Harvesting Machinery
Industrial corn stover production includes windrowing, baling, and bale collection. This publication details the basic machinery systems used in the harvesting process.
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Productivity of Corn Stover Bale Handling Systems
Moving corn stover bales can create transportation and handling challenges. This publication summarizes current technology and recommendations for eliminating system inefficiencies.
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Sample Size Determination for Corn Stover Assessment
Accurate assessment of corn stover feedstock quality is a key issue for suppliers and end users. This publication addresses the impact of sample size on the accurate measurement of feedstock propertie
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Nutrient Removal from Corn Stover Harvesting
Nutrient removal during harvest is a key consideration in determining corn stover value. The publication summarizes results of nitrogen, phosphorous, and potassium concentration tests in corn stover b
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Methods for Rapid Moisture Analysis
Rapid testing of moisture content is important for commercial scale corn stover production and processing. This publication summarizes the results of two rapid moisture analyzers.
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Scouting for Pythium root rot in Soybean
The Scouting for Pythium  root rot in Soybean card is a 6-page, tri-fold pocket-sized publication (3-3/4" x 6") that outlines the symptoms, scouting, management, and disease cycle of Py
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Nutrient Considerations with Corn Stover Harvest
Weigh the relationships between corn stover harvest (as compared to grain only harvest) with the research presented in this publication. Make informed decisions about using stover harvest for bioen
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Consider the Possibility of Reduced Tillage after Biomass Harvest
Find options for handling the increased cornstalk residue that results from increased corn grain yields. Options such as aggressive tillage, no-till, strip-till, and removal of harvested corn stover a
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Issues with Stover Removal on Rented Land
Know the points to discuss on issues with corn stover removal on rented land. Points covered include ownership of stover, dispersal of increased revenue, and maintenance of soil quality and fertility.
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Economics of Harvesting and Transporting Corn Stover
Consider the economic factors involved when deciding to harvest corn stover. Includes estimated costs involved in windrowing, baling, collecting/handling, and transporting. Also includes custom rates
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Estimating a Value for Corn Stover
Compare the value of harvested corn stover as a winter feed for beef cattle with the feedstocks it would replace. Also consider its value as bedding for livestock. Find information about price per bal
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Corn Stover Harvest Window
Gain insight into managing corn stover harvesting teams to fit the limited harvest window in Iowa. Includes average harvesting span (27 working days) based on USDA corn harvest date for Iowa. Also giv
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Single-pass Harvesting Technologies
Single-pass corn stover harvesting offers unique quality and cost advantages. This publication details key performance metrics of this harvesting method.
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Corn Stover Storage Methods
Storage is a critical factor for corn stover and other biomass feedstocks. This publication details considerations for selecting an appropriate storage system.
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Corn Stover Storage Losses
Consider storage losses as a part of supplying corn stover to a biorefinery over an extended period. Gives typical storage losses for bales stored under various conditions. Also projects varying inter
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Fire Risk in Corn Stover Storage
Know the fire risks when stacking bales of corn stover. Gives insight into storage location and design, and ways to navigate local fire codes and safety regulations. Includes best practices for siting
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Transporting Biomass on Iowa Roadways
Several Iowa laws govern the commercial hauling of corn stover and other biomass feedstocks. This publication details the legal requirements, hauling configurations, local dimension restrictions, and
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Corn Stover Ash
Ash content of corn stover is a major quality factor for biorefineries. This publication summarizes the types of ash and how they are affected by different harvesting methods.
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Iowa Farm and Rural Life Poll: 2013 Summary Report
This report summarizes the results of the 2013 Iowa Farm and Rural Life Poll - an annual survey on issues important to rural Iowa since 1982. Topics highlighted: climate change, rented land, herbic
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Pitfall Tutorial (Video)
Michael Dunbar, PhD graduate student at Iowa State University, demonstrates how to prepare a pitfall for collection and study of insects/pests in corn fields. This resource is part of the USD
Farmer Perspectives on Agriculture and Weather Variability in the Corn Belt: A Statistical Atlas, Volume 1
A resource for extension educators, agricultural advisors and others, for understanding regional perspectives of corn-soybean farmers about climate change. Delineated by watershed, this collection of
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Cover Crop Selection and Management Part 1 of 3 (Video)
Tom Kaspar discusses how to select and manage cover crops for corn-based cropping systems in the upper Midwest. Dr. Kaspar is a Plant Physiologist at the USDA-ARS National Soil Tilth Laboratory in
Cover Crop Selection and Management Part 2 (Video)
Tom Kaspar discusses how to select and manage cover crops for corn-based cropping systems in the upper Midwest. Dr. Kaspar is a Plant Physiologist at the USDA-ARS National Soil Tilth Laboratory in
Cover Crop Selection and Management Part 3 (Video)
Tom Kaspar discusses how to select and manage cover crops for corn-based cropping systems in the upper Midwest. Dr. Kaspar is a Plant Physiologist at the USDA-ARS National Soil Tilth Laboratory in
Cover Cropping at the Homestead (Video)
Jason Jones, Iowa farmer, discusses selection and rotation of cover crops to complement different vegetable crops. Jones farms at The Homestead's 8-acre CSA farm. The Homestead is a human resource
Plot Design Options for On-Farm Cover Crop Trials (Video)
Mark Licht, extension field agronomist, Iowa State University, discusses recommendations and considerations when setting up cover crop field trials. This is an informational video for field specialist
Iowa Nutrient Reduction Strategies (Video)
Matthew Helmers, professor, Agricultural & Biosystems Engineering, Iowa State University, talks about the Iowa Nutrient Reduction Strategy and the practices that help to reduce nitrate loss. Prese
Scouting for twospotted spider mites in corn and soybean
 The Scouting for twospotted spider mites in corn and soybean card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") containing scouting information, a description, and images of inju
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Suggested Vegetable Varieties for the Home Garden
This publication suggests two or more produce varieties suited for Iowa gardens based on characteristics including color, size, texture, flavor, vigor, and early or late harvest. Includes more than
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Recognizing Challenges to Iowa’s Annual Cropping Systems
Iowa’s soybean and corn cropping systems are among the most productive in the world yet, producing consistently high yields remains uncertain. This publication discusses possible solutions to problems
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Identifying moths in black light and pheromone traps in the Midwest
Identifying moths in black light and pheromone traps in the Midwest scouting card is an identification tool for the differentiation of moths which can be caught in various traps. Moths include black c
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Corn & Soybean Management: Insects and Diseases Series CD
This CD contains full versions of selected Crop Adviser Institute (CAI) learning modules in the Pest Management and Crop Management areas. You will have full access to all materials except the final C
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Corn Suitability Ratings -- An Index to Soil Productivity
Corn Suitability Rating (CSR) is an index procedure developed in Iowa to rate each different kind of soil for its potential row-crop productivity. The CSR can be used to rate one soil’s potential yiel
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Frost Damage to Corn and Soybeans
Learn about the characteristics, uses and handling and storage of frost-damaged corn and soybeans.
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Soil Nitrogen Cycle
Great teaching resource as well as a handout for use with the video: CSCAP 0109 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data fro
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Cover Crops
Great teaching resource as well as a handout for CSCAP 0110 2012 VIDEO. Potential benefits of cover crops outlined. This resource is part of the USDA-NIFA funded project for climate and agricultu
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Exploring Climate Change Beliefs
This fact sheet describes some research findings about how farmer beliefs and perceptions about climate change influence on-farm decisions. Great teaching resource as well as a handout for use wit
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Greenhouse Gases and Agriculture
A great teaching resource as well as a handout for CSCAP 0113 2012 VIDEO where Michael Castellano, assistant professor, Iowa State University, explains how agricultural greenhouse gases (GHGs) are mea
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No-Tillage Impacts on Soil Carbon, Nitrogen, and Water
Great teaching resource as well as a handout for CSCAP 0114 2012 VIDEO. The benefits of no-tillage in a corn-soybean system explained. This resource is part of the USDA-NIFA funded project for clim
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Integrated Pest Management, Filling in the Cracks
How climate change is impacting plant diseases, pests and weeds in corn-soybean systems in the Midwest. This resource is part of the USDA-NIFA funded project for climate and agriculture that gather
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Understanding the Dynamics of Soil Diversity and Variability in the Field
Handout for use with the video: CSCAP 0116 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data from 35 field sites and thousands of farme
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Climate and Climate Change
Fact sheet about climate change and handout for use with the video: CSCAP 0120 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data from 3
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Soil Organic Carbon Cycle
Fact sheet about soil organic carbon and a handout for use with the video: CSCAP 0121 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered da
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The Water Balance
Fact sheet about field scale water balance and handout for use with the video: CSCAP 0123 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathere
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Nitrogen Sensing and Impact on C, N, H2O
Fact sheet about using nitrogen sensing for precision application of nitrogen and handout for use with the video: CSCAP 0124 2012 VIDEO or its abridged version, CSCAP 0124 2012 VIDEO ABRIDGED Thi
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Climate Change and Farm Producer Needs and Costs
Handout for use with the video: CSCAP 0179 2012 VIDEO This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data from 35 field sites and thousands of farme
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Soil Nitrogen Cycle (Video)
John Sawyer, professor, Iowa State University explains the nitrogen cycle with references to nitrogen management in corn-soybean cropping systems and current research issues. This resource is
Cover Crops (Video)
Eileen J. Kladivko, Purdue University, discusses the potential benefits of cover crops and how they could contribute to increased resiliency of our corn-soybean production systems, in response to the
Exploring Climate Change Beliefs (Video)
Jonathan Hobbs, PhD Graduate Student, Iowa State University, describes his research regarding farmer beliefs and perception about climate change and how those influence on-farm decisions. Thi
Greenhouse Gases and Agriculture (Video)
Michael Castellano, assistant professor, Iowa State University, explains how greenhouse gases (GHGs) are measured in agricultural systems, what agricultural GHGs are significant and why, and strategie
No-Tillage Impacts on Soil Carbon, Nitrogen, and Water (Video)
Warren Dick, professor, Ohio State University, gives a history and explains the potential negative and beneficial impacts of no-tillage in a corn-soybean system. This resource is part of the
Integrated Pest Management, Filling in the Cracks (Video)
Daren Mueller, assistant professor, Iowa State University, explains how crop insects, diseases and weeds can be affected by temperature, moisture and crop production practices. This resource
Climate and Climate Change (Video)
A primer on climate change, presented by Raymond Arritt, professor, Iowa State University. This resource is part of the USDA-NIFA funded project for climate and agriculture that gathered data
The Soil Carbon Cycle (Video)
Dr. Sasha Kravchenko, Associate Professor, Michigan State University, discusses soil organic carbon cycle and crop management practices that increase and store carbon in the soil, while improving soil
The Water Balance (Video)
Dr. Laura Bowling, Associate Professor, Purdue University, discusses the importance of understanding, measuring and managing field-scale water balances. This resource is part of the USDA-NIFA
Canopy Sensors & Nitrogen: Contributions to Adaptation & Mitigation to Climate Change (Video)
Dr. Peter Scharf, Professor, University of Missouri, discusses the use of nitrogen sensing equipment to maximize efficiency and minimize loss of nitrogen fertilizer, and nitrogen management’s potentia
Canopy Sensors & Nitrogen: Contributions to Adaptation & Mitigation to Climate Change (Video) Abridged version
Abridged version (3:33 minutes) of CSCAP 0124 2012 VIDEO Dr. Peter Scharf, Professor, University of Missouri, discusses the use of nitrogen sensing equipment to maximize efficiency and minimize los
Climate Change and Farm Producer Needs and Costs (Speed Science Video)
John Tyndall, assistant professor, Iowa State University, discusses qualitative research being conducted to better understand farm producer needs and costs associated with adopting management practice
Understanding the Dynamics of Soil Diversity and Variability in the Field (Video)
Jeanette Goodman, PhD Graduate Student, Purdue University, discusses research being led by Dr. Phillip Owens, to understand the dynamics of soil diversity and variability in corn-based cropping system
Aflatoxins in Corn
Aflatoxins are a group of chemicals produced by certain mold fungi. Publication includes information on how to test corn for toxins, current regulations, consequences of high toxin levels, preventive
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Corn Diseases
This booklet will help corn producers and other professionals in the agriculture industry identify corn diseases and provide general recommendations for disease management. The current version i
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Scouting for Goss's wilt of corn
The Scouting for Goss's wilt of corn card is a 6-page, tri-fold pocket-sized guide (3¾" x 6") that outlines the symptoms, scouting, management, and disease cycle of Goss's wilt in corn.
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Energy consumption for row crop production - Farm Energy
This publication provides an overview of farm energy use related to corn and soybean production in Iowa. Three areas of row crop production--field operations, fertilizer and pesticide application, and
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Early Season Corn Scouting
The Early season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to seed, seedlings, and young corn plants from shortly after planting through the
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Mid-season Corn Scouting
The Mid-season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants during the later vegetative through R1 (silking) growth stages.
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Late Season Corn Scouting
The Late season corn scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to corn plants from R2 (blister) through R6 (physiological maturity) growth stages
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Energy considerations for low-temperature grain drying - Farm Energy
Harvested corn often requires artificial drying to lower moisture content for safe storage. Learn about energy considerations for drying corn with natural-air or low-temperature systems.
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Mid-season Soybean Scouting
The Mid-season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to soybean plants during the late vegetative through R2 growth stages.
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Late Season Soybean Scouting
The Late season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to soybean plants during the R3 (pod fill) through R8 (maturity) growth stages.
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Early Season Soybean Scouting
The Early season soybean scouting card is a record keeping tool that outlines diseases, insects, and disorders that occur to seed, seedlings, and young soybean plants from shortly after planting throu
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Speed Scouting for Soybean Aphid
The Speed Scouting for Soybean Aphid card is a tool for soybean growers to monitor soybean aphid populations in fields using the Speed Scouting technique. The card has both instructions for the Speed
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Important Crop Insurance Dates
Lists important crop insurance dates for corn and soybeans in Iowa. Dates may vary for other crops and states. Terms are defined.
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Field Crop Insects
Field Crop Insects contains descriptions and color images of more than 55 pest and beneficial insects, as well as information on insect life cycle, damage, scouting and management options. There is al
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Improving Corn Drying Efficiency - Farm Energy
Get info to help effectively control corn drying energy costs – that in some years can rival costs used to plant and harvest the crop. Content gives basic concepts of heated air and natural air drying
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Soybean Aphid Field Guide
A revised, 52-page pocket-sized guide (3-¾" x 6") for soybean producers and soybean agronomists containing soybean aphid biology, scouting and management information for Iowa. Includes color
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Nematodes That Attack Corn in Iowa
Learn about how to sample for nematodes and control them.
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Emerged seedling in a field setting
Plant emerged through the soil in an Iowa corn fieldAll digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and agreement of the T
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Field photograph of corn early-season (no sky showing)
Iowa corn field with plants in a typical row width and plant density All digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and a
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Upper plant canopy of a corn field
Upper portion of plants in an Iowa corn fieldAll digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and agreement of the Terms an
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Field photograph of young corn (with sky)
Iowa corn field with plants in a typical row width and plant densityAll digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and ag
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Corn vegetative and reproductive development stages (table)
Official and common names for each developmental stage shown in Table formAll digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement
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Field photograph of corn mid-season (with sky)
Iowa corn field with plants in a typical row width and plant density All digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and a
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Rolling Iowa corn field (with sky)
Iowa corn field with plants in a typical row width and plant density All digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowledgement and a
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Lower stalk split and nodes distinguishable
Corn plant split lengthwise through the root system with nodes 1 through 8 visibleAll digital media is copyrighted by Iowa State University Extension and Outreach. Each purchase includes your acknowle
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Corn Growth and Development | Digital Media collection - 101 Images, Charts and Figures | 300 dpi
The Corn Growth and Development digital media collection contains all 101 images from the publicaiton. All photos, charts, and diagrams display ©Iowa State University Extension and are free of la
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Corn Growth and Development | Digital Media collection - 101 Images, Charts and Figures | 72 dpi
The Corn Growth and Development digital media collection contains all 101 images from the publicaiton. All photos, charts, and diagrams display ©Iowa State University Extension and are free of l
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Sensing Nitrogen Stress in Corn
Water quality concerns and high N fertilizer prices have made more precise nitrogen management strategies important to improve efficiency and profitability. Get the details here.
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Corn Growth and Development
Corn Growth and Development is an updated and expanded publication and includes whole plant photography, detailed descriptions of vegetative and reproductive development, and dry matter and nutrient
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ePub (for iPad/iPhone) $5.00 Add to Cart
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Crecimiento y desarrollo del maiz (Corn Growth and Development Spanish version)
Corn Growth and Development is an updated and expanded publication and includes whole plant photography, detailed descriptions of vegetative and reproductive development, and dry matter and nutrient a
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Foliar Fungicides for Corn: Targeting Disease
This publication provides information on foliar fungicides for corn, including when to scout, disease risk factors, and when a foliar fungicide application should be considered.
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Energy Conservation in Corn Nitrogen Fertilization - Farm Energy
Optimum corn yields require nitrogen fertilization in most crop rotations, but the energy consumed during the production of nitrogen fertilizer is considerable. Learn more about maximizing economic, e
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Weed Identification Field Guide 2nd Edition
The Weed Identification Field Guide, 2nd Edition, is a revised and expanded pocket-sized guide (3-3/4" x 6") for farmers and agronomists to use for weed identification in Iowa corn and soybe
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Pesticides and Water Quality
Find out how you can reduce pesticide contamination of water — whether you're treating a corn field, a lawn, or a building structure. You'll know more about Iowa watersheds, runoff, and leaching as we
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Nutrient Deficiencies and Application Injuries in Field Crops -- Integrated Pest Management
Color photos and descriptions aid in identifying nutrient deficiencies and injury due to fertilizer in order to accurately diagnose symptoms for corn, soybeans, alfalfa, and winter wheat. More inform
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Enterprise Budget: Sweet Corn
Find facts about growing, harvesting, and marketing sweet corn to help you decide whether or not this crop will fit your enterprise budget. Includes an enterprise assessment showing capital needed fo
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Maximizing Profitability on Highly Erodible Land in Iowa | Conservation Reserve Program: Issues and Options
Options in grass may be the most profitable for CRP land when the long term cost of erosion is considered. Get the details on six income options: CRP, two rotational grazing options, two crop options
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Livestock: Determining Moisture of Immature Corn Silage - Disaster Recovery Series
Learn about two simple, inexpensive methods to determine silage moisture: using a 250 watt infrared heat lamp or a microwave.
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Controlling Corn Diseases in Conservation Tillage
This publication describes corn diseases that are more prevalent in conservation tillage systems and their management strategies.
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Insect Management for Corn and Soybean | Conservation Reserve Program: Issues and Options
Discusses potential insect problems and suggests management options for corn and soybean production on former CRP acres.
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Profitable Corn Harvesting
Every bushel of corn saved by careful operation of your combine adds to your profits. Harvesting losses are inevitable, but this publication can help you to measure losses, as well as discovering wh
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Corn and Soybean Herbicide Chart
Repeated use of herbicides with the same site of action can result in the development of herbicides-resistant weed populations.
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Be'an All You Can Be -- 4H Crop Projects 3 Soybean & Corn
This manual is packed with activities to help youth in grades 9 - 12 learn about integrated crop management, hybrid selection, profitability, safety, and harvesting.
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Economic Analysis of Three Iowa Rotations
Compare the economic return to management of three crop rotations: conventional corn-soybean, organic corn-soybean-oat/alfalfa-alfalfa, and low external-input corn-soybean-oat-alfalfa. This peer-revie
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Relative Emergence Sequence for Weeds of Corn and Soybeans -- Sustainable Agriculture
Provides information on weed development that can help growers determine the optimum time for tillage and crop planting to reduce weed populations.
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Interseeding Small-Seeded Forages into Sod with Conventional Corn/Soybean Planters | Conservation Reserve Program: Issues and Options
Detailed information on using conventional corn/soybean planters to interseed small-seeded forages into sod.
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