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Nitrogen in the Environment: Nitrification
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Nitrification converts ammonium to nitrate, which can leach into groundwater, posing health risks, especially for infants.
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Soybean Rust, Page 4
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Frogeye leaf spot causes small, circular lesions on soybean leaves. It thrives in warm, humid conditions and survives in infected residue and seed.
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Soybean Rust, Page 7
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These photos show the disease stages of soybean rust, which can be difficult to identify, especially in the early stages.
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Nitrogen in the Environment: Essential Plant Nutrients
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Nitrogen is essential for plant growth, but excessive nitrate from fertilizers can contaminate groundwater, posing health risks, especially to infants.
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Soybean Rust, Page 2
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Identify and manage bacterial pustule in soybeans with guidance on symptoms, weather conditions, and disease development to protect your crops.
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Soybean Rust, Page 5
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Identify and manage Septoria brown spot in soybeans with insights on symptoms, weather impact, and control strategies. Learn how to protect your crop.
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Nitrogen in the Environment: Nitrate Poisoning
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Infants are most at risk from nitrate-contaminated water, which can lead to serious health issues.
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Soybean Rust, Page 8
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Compare soybean rust disease stages by looking at them side by side.
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Best Management Practices for Biosolids Land Application
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Land application of biosolids recycles nutrients, reduces pollution, and follows safety practices to protect soil, crops, and water.
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Soybean Rust, Page 3
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Pale yellow spots on young soybean leaves may signal downy mildew, favored by humid weather and temperatures between 68–72°F.
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Collecting and Preserving Waste and Wastewater Samples for Analysis
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Waste handling systems are used to protect the environment. Visit our site for our Collecting and Preserving Waste and Wastewater Samples for Analysis guide.
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Soybean Rust, Page 6
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Soybean rust causes lesions on leaves, spreads via windborne spores, and thrives in humid conditions between 46–82°F. It can rapidly defoliate plants.
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Nitrogen in the Plant
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Nitrogen plays an important part in many essential functions. Visit our website to learn about Nitrogen in the Plant.
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Using NRCS Technical and Financial Assistance for Agroforestry and Woody Crop Establishment Through the Environmental Quality Incentives Program (EQIP)
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Learn how to access EQIP technical and financial assistance for alley cropping, multistory cropping, riparian buffer, silvopasture and windbreak practices.
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Calibrating Sprayers and Spreaders for Athletic Fields and Golf Courses
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Guidance on accurately calibrating sprayers and spreaders for effective turf pest control on athletic fields and golf courses.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 13
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Grundy walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 45
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Tomboy walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 16
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Hay walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 19
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Knuvean walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 22
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Mystry walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 25
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Ogden walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 28
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Pound #2 walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 31
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Sarcoxie (Kwik Krop) walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 02
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Compare the nuts of walnut cultivars side by side and learn about characteristics of selected black walnut cultivars.