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Computing a Cropland Cash Rental Rate
This publication guides owners and renters through the process of computing a cash rental rate for farmland.
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Cash Rental Rates for Iowa 2022 Survey
Typical cash rental rates for high, medium, and low quality cropland, as well as land devoted to hay production, oats, pasture, and cornstalk grazing. This information can be useful in comparing rental rates among counties and farms of different levels of productivity.
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Supplemental Coverage Option (SCO) and Enhanced Coverage Option (ECO)
The 2018 Farm Bill extends the Supplemental Coverage Option (SCO), an endorsement to farm-level crop insurance policies available through the Common Crop Insurance program, and new for 2021 is the Enhanced Coverage Option (ECO). This publication explains how SCO and ECO can extend coverage beyond the 85% coverage level of multi-peril crop insurance.
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Introduction to Aquaculture in the North Central Region
Aquaculture is defined by the Food and Agriculture Organization of the United Nations (FAO) as “the breeding, rearing, and harvesting of fish, plants, algae, and other organisms in all types of water.” Since aquaculture encompasses a myriad of species produced in multiple types of systems and in multiple waters (e.g., fresh, salt, brackish), it is often the most correct word to use when describing farming in water. Simply saying “fish farming” leaves out significant aquatic crops that are farmed.
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2021 Summary - Agricultural Engineering/Agronomy Farm and Central Iowa Research Farms
This report contains a summary of the research conducted at the Agricultural Engineering/Agronomy Farm and Central Iowa Research Farms in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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Sulfur Dioxide in Winemaking
Sulfur dioxide (SO2) is an essential additive in winemaking. This chemical largely is used as a food and wine preservative for its antimicrobial and antioxidant properties. It inhibits, and in some cases kills, some yeast and bacteria. SO2 also protects grape must and wine from oxidation by enzymatic and chemical reactions, and therefore from browning and off-odors. With proper additions, SO2 aids in preserving aromas and provides protection against incidental oxygen and microbial exposure. It must be used in conjunction with sound winemaking practices, which include stringent cleaning and sanitation protocols and use of inert gases.
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2021 Summary - McNay Memorial Research and Demonstration Farm
This report contains a summary of the research conducted at the McNay Memorial Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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2022 Iowa Farm Custom Rate Survey
Many Iowa farmers hire some custom machine work in their farm business or perform custom work for others. The 2022 Iowa Farm Custom Rate Survey is intended as a guide in determining custom rates. This information is based on 122 responses and 3,389 custom rates provided by Iowa farmers, custom operators, and farm managers.
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Late Season Perennial Flowers
Mums, ‘Autumn Joy’ sedum, and Back-eyed Susan are commonly planted perennials that bloom in late summer through early fall. The following perennials are other attractive additions to the late season garden.

Previously known as RG 0304 - Late Season Perennial Flowers - Reiman Gardens
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Growing and Overwintering Tender Perennials
Perennials such as tuberous begonias, gladioli, cannas, and dahlias are an integral part of many home landscapes. They are excellent displays of color until a killing frost. Unfortunately, they will not survive our harsh winter weather outdoors and must be dug in the fall and stored indoors through the winter months. Cultural and winter storage requirements for several commonly grown tender perennials are provided below.

Replaces RG 0311 - Growing and Over-wintering Tender Perennials - Reiman Gardens
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Annual Vines
Annual vines grow quickly and bloom profusely in one growing season. They can camouflage unsightly fences or walls, accent pleasing architecture, or soften harsh structural lines—and at the same time add color, texture, and height. Vines are ideal for creating a temporary, natural screen for privacy or against sun, wind, or unattractive views. They also can create a welcoming habitat for birds, bees, and butterflies.

Replaces RG 0317 - Annual Vines - Reiman Gardens
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African Violets
African violets are one of America’s most popular houseplants. They belong to the Saintpaulia family and are not related to the hardy violets we enjoy in outdoor gardens. Under the proper growing conditions, they will bloom almost continuously indoors.

Previously known as RG 0322 - African Violets - Reiman Gardens
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Growing Zinnias
Zinnias prompt memories of grandmothers’ gardens and cheerful bouquets. With their dependability and dizzying array of flower colors and heights, zinnias easily earn their excellent reputation.

Previously known as RG 0324 - Zinnias - Reiman Gardens
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Finding a Certified Pesticide Applicator for Emerald Ash Borer Treatment
Although Iowa State University Extension and Outreach is unable to give specific recommendations on certified applicators and licensed companies able to treat ash trees for the emerald ash borer (EAB), we can provide unbiased, general guidance on how to find certified pesticide applicators and considerations for conducting your search.

Previously known as PM 3074.
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2021 Summary - Western Research and Demonstration Farm
This report contains a summary of the research conducted at the Western Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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2021 Summary - Armstrong Memorial Research and Demonstration Farm Neely-Kinyon Memorial Research and Demonstration Farm
This report contains a summary of the research conducted at the Armstrong Memorial Research and Demonstration Farm and the Neely-Kinyon Memorial Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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Floodplain Connectivity
Floodplains enhance water quality and reduce downstream flooding.
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Streambank Alluvial Units
This publication reviews how streambank composition affects water quality.
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2021 Summary - Northern Research and Demonstration Farm
This report contains a summary of the research conducted at the Northern Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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2021 Summary- Southeast Research and Demonstration Farm and Muscatine Island Research and Demonstration Farm
This report contains a summary of the research conducted at the Southeast Research and Demonstration Farm and the Muscatine Island Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive.
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2021 Summary - Northeast Research and Demonstration Farm
This report contains a summary of the research conducted at the Northeast Research and Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive. State University Research and Demonstration Farms Progress Report archive.
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2021 Summary - Northwest Research and Demonstration Farm and Allee Demonstration Farm
This report contains a summary of the research conducted at the Northwest Research and Demonstration Farm and the Allee Demonstration Farm in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive. State University Research and Demonstration Farms Progress Report archive.
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Estimated Costs of Crop Production in Iowa - 2022
This publication estimates the cost of crop production in Iowa for 2021. Estimates for corn following corn, corn following soybeans, corn silage following corn, herbicide tolerant soybeans following corn, strip tillage corn and soybeans, non-herbicide tolerant soybeans following corn, low-till corn and soybeans, oats and hay production, alfalfa, grass pastures and machinery costs are all included.
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Carbon Science for Carbon Markets: Emerging Opportunities in Iowa
Credible carbon credits are a precondition for carbon markets. Unlike two decades ago, when voluntary carbon markets were just being developed, much is known today that supports credible carbon credits, including those that are agriculturally based. This report addresses ways to further improve the credibility of agricultural carbon credits and reduce the cost of carbon programs by assessing the underlying science and adding transparency to how carbon markets function. We assess the history and structure of carbon markets; carbon credit measurement, reporting, and verification protocols; the impacts of land—especially cropland—and livestock management practices on greenhouse gas and soil organic carbon dynamics, and adoption of these practices; existing and emerging engineering technologies that could reduce greenhouse gas emissions or enhance carbon removal; and quantitative tools that could help facilitate carbon market development. The geographic scope is primarily focused on the state of Iowa. The report furthermore highlights ways multisectoral collaborations—for example, between farmers, scientists, industry, government, and civil society organizations—could remove barriers and further market development.

The Carbon Sequestration Task Force was authorized on June 22, 2021, by Iowa Governor Kim Reynolds under Executive Order Number 9. Task A of this executive order states: "Reviewing the research on carbon sequestration, considering any gaps in current assessments, and determining whether new research, standards, or definitions should be developed."

As part of the analysis provided to the Task Force, researchers at Iowa State University (ISU) were asked by the Iowa Economic Development Authority (IEDA) to undertake an assessment of the science supporting agriculturally based carbon markets. This report includes the work of 51 faculty members, staff, postdoctoral associates, and graduate student scholars associated with four colleges, four institutes and centers, and 13 departments throughout ISU.
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Using Potassium Sorbate to Inhibit Yeast Growth in Bottled Wines
Wines bottled with residual sugar concentration at or above 1 gram per liter have the potential to be at risk for yeast refermentation. Stringent cleaning and sanitation practices, appropriate sulfur dioxide (SO2) use, and sterile filtration prior to bottling help to prevent refermentation issues. This publication shares key points for potassium sorbate use in wine.
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National Pest Alert - Coffee Leaf Rust
A two-page handout on Coffee Leaf Rust that includes color photos, life cycle, management options and basic information about potential impacts to coffee production.
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Use of Inert Gases
“Inert” is the term used to describe substances that are not chemically reactive. However, reactivity is dependent on context. Historically, the noble gases (helium, neon, argon, krypton, xenon, and radon) were referred to as inert gases. Nitrogen (N2), argon (Ar), and carbon dioxide (CO2) are commonly used inert gases in the wine industry because these have little or no reactivity with wine. These can be used individually or as a mixture in varying proportions. Oxygen (O2) is reactive with many chemical compounds in wine and is therefore not inert.
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Forages for Horses in Iowa
Forages as hay or pasture make up the significant share of the daily intake of a horse. Horses are natural grass eaters with front teeth suited for biting off the grass. The molars chew and grind bulky feed, such as hay and coarse grains. A mature horse that is not working hard will eat 1.5 to 2 pounds of air-dry feed per 100 pounds of body weight. That would be 15 to 20 pounds of hay daily for a 1,000-pound horse. In Iowa, horses will require about 2 tons of hay per head per year, plus summer pasture. When meeting nutrient requirements, carefully consider forage quality and nutrient content.
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2021 Summary - Horticulture Research Station
This report contains a summary of the research conducted at the Horticulture Research Station in 2021.

To access reports from past years, visit the Iowa State University Research and Demonstration Farms Progress Report archive. State University Research and Demonstration Farms Progress Report archive.
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2021 Summary Report - Iowa Farm and Rural Life Poll
The Iowa Farm and Rural Life Poll is an annual survey of Iowa farmers. The survey project collects and disseminates information on issues of importance to farmers and agricultural stakeholders across Iowa and the Midwest. Except for 2019, the Farm Poll has been conducted every year since its establishment in 1982, and is the longest-running survey of its kind in the nation. The project is supported by Iowa State University Extension and Outreach and the Iowa Agriculture and Home Economics Experiment Station.

The 2021 Farm Poll questionnaires were mailed in February to a statewide panel of 1,781 farmers. Completed surveys were received from 1,095 farmers, resulting in a response rate of 61.5%.

This year’s survey contained questions about community vitality, the impacts of COVID-19, renewable energy, carbon markets, perspectives on the Iowa Natural Resources and Outdoor Recreation Trust Fund, and use of various media for information and entertainment.
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