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  1. Environment
  2. Environment
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CLG 114
A Closer Look: Harmful Algal Blooms
While algae are naturally occurring, excessive growth leads to challenges with water quality. Algae reproduce rapidly, or “bloom,” in conditions with warm, slow-moving water rich in nutrients, especially phosphorus. Some algal blooms release harmful toxins that can have significant public health impacts.
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AE 3553A
Summer Ventilation Checklist
Properly functioning ventilation systems are vital to today’s pork production facilities, and following a regular process for maintaining their operation can pay big economic dividends. This publication is a summer ventilation checklist to facilitate maintenance and ensure timely inspection of proper equipment and barn components. Typically, this checklist would be used around April to prepare for summer cooling and ventilation needs.
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AE 3553B
Winter Ventilation Checklist
Properly functioning ventilation systems are vital to today’s pork production facilities, and following a regular process for maintaining their operation can pay big economic dividends. This publication is a winter ventilation checklist to facilitate maintenance and ensure timely inspection of proper equipment and barn components. Typically, this checklist would be used around October to prepare for winter heating and ventilation needs.
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CLG 111
Anaerobic Digesters for Renewable Natural Gas
This infographic provides information about how on-farm anaerobic digesters work, common feedstocks for digesters, and the main components of anaerobic digestion systems.
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WL 17K
Geological Places to Visit - Iowa's Nature Series
One of the best ways to learn about and appreciate the landforms and geology of Iowa is to get outside and visit the rocks, sediments, and landscapes in person. While some of Iowa’s most interesting geological features can’t be seen at the surface, many interesting features can be explored up close in Iowa’s state and county parks, refuges, and recreation areas. This resource is a supplement to WL 17A - Iowa's Landforms and Geology to be used as a guide to some of the best sites around the state where visitors can explore more than a billion years of Iowa’s geological history as told in rocks and landforms.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17A
Landforms and Geology - Iowa's Nature Series
From ocean-front property to spruce forest to today's rich organic prairie soils, Iowa's geological past is a fascinating story that can be told through careful inspection of the land beneath our feet. This article explores the long-view history of Iowa's landscapes and explains how the hills and valleys we call home were formed over millennia. To learn more about Iowa's Landforms and Geology, download the supplement article WL 17K - Geological Places to Visit.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17B
Soils - Iowa's Nature Series
It is widely accepted that Iowa's soils are some of the richest and most productive in the world. But how and why? This article explores those rich soils, how they form, how scientists describe and classify them, and the conservation challenges they face.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17D
Prairies - Iowa's Nature Series
Iowa, like no other state in the U.S., is defined by its tallgrass prairies. This article takes a deep dive into those prairie ecosystems, learning about the cast of plants, animals, and people dependent on them and how people today are working to manage and protect this critical ecosystem.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17E
Aquatic Environments - Iowa's Nature Series
From the ephemeral pool of a prairie pothole to the giant pools of the mighty Mississippi, Iowa's lands are defined by their diverse, and critically important aquatic ecosystems. This article takes a deep dive into the ecology and intrigue of these systems found across the state and discusses the challenges they face and the promises of conservation actions taken there.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17F
Invertebrates - Iowa's Nature Series
Asked to picture Iowa's wildlife diversity and many people may think first of vertebrates, rather than the invertebrates who comprise the vast majority of diversity found among the living animals of Iowa's lands and waters! This article features the stories of a few of the thousands of insects, spiders, crustaceans, butterflies, moths, worms, snails, mussels, and leeches found in Iowa, everywhere from our border rivers to our homes.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17G
Vertebrates - Iowa's Nature Series
From city sewers to pristine prairies, the reptiles, amphibians, birds, mammals, fish, and lamprey found within Iowa's borders are as diverse and fascinating as the people found there. Members of these varied groups of wildlife are collectively called vertebrates and this article explores all the diverse life history strategies and behaviors demonstrated by Iowa’s non-human vertebrates.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17H
Plants - Iowa's Nature Series
From the bur oak tree towering over the savanna to the humble bladderwort, floating untethered in the water of wetlands, Iowa's plants and plant-like organisms are fascinatingly diverse. This article explores that diversity, describing the classification Iowa's plants, the varied places they occur, and the remarkable adaptations they have to life in Iowa.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17I
Influential Voices - Iowa's Nature Series
For as long as the tallgrass prairie blooms have blown in the breeze and the muddy Missouri flowed past its western border, the land we call Iowa has been stewarded and cared for by people. From the diversity of Native cultures that have called this land home to the 20th century advocates who fought for its protection and care amid unprecedented exploitation, thousands of influential voices have fought to protect this land and its diversity. This article features a few of those voices that have been influential in the care of Iowa's Nature and who set an example for future generations to follow in protecting the rich natural heritage we all inherit.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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WL 17J
State Symbols - Iowa's Nature Series
Some characteristics of Iowa's Nature are so fundamentally Iowan that they've received special designation as such by the state legislature. This article explores those uniquely Iowan symbols including the state bird, tree, flower, and rock along with a sampling of other natural features that define our state and inspire awe in all the diversity found here.

The Iowa’s Nature series was a collaborative project between Iowa State University Extension and Outreach, the Iowa Association of Naturalists, and the Iowa Department of Natural Resources with support from the Resource Enhancement and Protection Program. To learn more about the project, visit https://naturalresources.extension.iastate.edu/Iowas-Nature
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AE 3602
Iowa Drainage Guide
This publication provides guidelines for drainage improvements installed on Iowa's agricultural land. It provides legal, soil management, and engineering information to farmers, engineers, contractors, farm planners, and others associated with drainage system planning, construction, and management.
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NRCS 1
Site-Specific Nutrient Management
Site-specific management and planning for nutrient inputs is needed for optimizing economic return and minimizing effects on environmental quality. This publication includes information about factors that influence soil fertility, fertilization management, and associated relations with environmental quality.
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PMR 1007
Incorporating Prairies into Multifunctional Landscapes
See how prairies can benefit farms and find the steps necessary to establish and manage prairies. Look at various uses for prairies: livestock grazing, hay production, biomass feedstocks, and carbon sequestering.
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RG 214
Choosing an Arborist
Tree work should be performed only by a properly trained and equipped arborist. Considerations in choosing an arborist include certification, insurance, references, contracts, etc.
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PM 2093
2009 Summary Report - Iowa Farm and Rural Life Poll
Highlights from the 2009 farm and rural life poll include: the next generation of farmers, farm policy and commodity production, mixed livestock and grain farming, farming and food systems in rural communities, value-added agriculture, targeted conservation, nutrient removal wetlands, and personal and financial well-being.
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PM 1587
Choosing Fans for Livestock and Poultry Ventilation - Livestock Industry Facilities and Environment
Good quality fans are essential for proper performance of mechanically ventilated facilities. Learn the basic principles of fan quality, rating, performance, installation, and fans for specialized uses.
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PM 1589
Concrete Specifications for Agriculture - Livestock Industry Facilities and Environment
Specific recommendations for concrete guidelines for use in your agricultural business.
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PMR 1002
A Targeted Conservation Approach for Improving Environmental Quality
Find out how targeted conservation practices can have the most impact on environmental quality while causing only a small change in overall agricultural production. Environmental benefits are discussed related to clean air and water, productive soils, diverse wildlife and plant habitat, and biological controls for crop protection.
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PM 1600
Vented Plumbing for Livestock Manure Handling Systems - Livestock Industry Facilities and Environment
Animal manure systems that drain building manure pits into separate storage pits should have vented plumbing systems. This publication includes information on vented plumbing and information on other publications for additional help.
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PM 1601
Pit Recharge Manure Management System - Livestock Industry Facilities and Environment
Use this system to provide better air quality inside livestock buildings and minimize equipment deterioration.
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SP 321
Prairie Investigators -- Using Plants and Animals to Uncover the Mystery of the Prairie
Biologists are detectives; they observe clues and interpret what they see. Use this guide to practice those skills and learn about the tall-grass prairie.
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MWPS 50
Living on Acreages: What You Need to Know
Living outside the city limits is much different than living in town. What do you need to know to live closer to nature and in harmony with rural neighbors?

If you’re thinking of moving to an acreage or inhabit one now, Living on Acreages will be a valuable instruction manual and reference to everything from building and landscaping in the country to maintaining rural property.

Topics include
  • Selecting a rural living site
  • Designing a homestead adaptable to lifelong needs
  • Establishing or accessing systems for utilities including septic systems
  • Understanding effects of seasonal weather and wind
  • Minimizing damage by insects and animals
  • Developing outdoor living areas
  • Planning and managing a pond
  • Planning and building driveways and roadways
  • Establishing a routine preventive maintenance schedule
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PM 1880
Fundamentals of Organic Agriculture
Detailed information on organic agriculture including history, legalities and logistics, labeling, marketing, and pest and weed management. Includes two field examples on organic soybean and apple production.
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PM 1935
Gaseous Emissions from Animal Agriculture
An overview of the farm emissions problem, plus suggested resources discussing current research and information on air quality and animal agriculture.
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PM 1740
Iowa: Many Rivers Run Through It -- Poster

Large wall map (24" x 36") of the many rivers in Iowa.
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PM 1659
Troubleshooting Natural Ventilation Systems - Livestock Industry Facilities and Environment
Get details on using these four tools for trouble-shooting natural ventilation systems: a hi-low thermometer, a relative humidity sensor, ventilation smoke tubes, and your sensory perceptions.
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PM 1604
Watering Systems for Grazing Livestock - Livestock Industry Facilities and Environment
Learn about water tank location, central water sources with short supply lines, distribution systems for individual paddocks, and more.
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PM 1609
You Can't Afford Not to Haul Manure - Livestock Industry Facilities and Environment
Cost-benefit analysis of properly using livestock manure.
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PM 1329
Coping with Contaminated Wells
The most common cause of well water test failures is bacterial problems caused by well deterioration. This publication addresses how to handle contaminated well issues by looking at coliform and nitrate problems.
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