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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 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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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 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 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 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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Soybean Rust
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Learn the symptoms, development, and management strategies for soybean rust, a destructive disease caused by fungal pathogens that affects soybean crops.
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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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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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Caring for Flooded Lawns
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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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Grass Clippings, Compost and Mulch: Questions and Answers
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Yard waste is valuable landscape resource. Visit our site for our Grass Clippings, Compost and Mulch: Questions and Answers resource.
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“Don’t Bag It” Lawn Care
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Learn how to improve lawn health by recycling clippings, reducing thatch, and conserving resources with effective mowing and fertilizing techniques.
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Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 29
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Pritchett 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 32
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Sauber #1 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 35
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Scrimger (Sparrow) 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 03
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Beck 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 38
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Sparks 127 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 06
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Cranz 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 41
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Sparrow 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 09
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Drake 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 44
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Thomas Myers 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 12
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Football 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
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Learn to identify walnut cultivars by the appearance of the husk, shell and kernel and to select cultivars on the basis of various growth characteristics. In addition to a photo gallery of black walnuts, this publication lists the average date of budbreak, flower type, bloom period, pollination date, season length and harvest date for more than 40 black walnut cultivars.