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Publications

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Cover art for publication WQ254

Nitrogen in the Environment: Nitrification

Reviewed

Nitrification converts ammonium to nitrate, which can leach into groundwater, posing health risks, especially for infants.

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Cover art for publication WQ276

Nitrogen in the Environment: Essential Plant Nutrients

Reviewed

Nitrogen is essential for plant growth, but excessive nitrate from fertilizers can contaminate groundwater, posing health risks, especially to infants.

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Frogeye leaf spot on soybean leaf.

Soybean Rust, Page 4

Revised

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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Early stage of soybean rust on a soybean leaf.

Soybean Rust, Page 7

Revised

These photos show the disease stages of soybean rust, which can be difficult to identify, especially in the early stages.

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Cover art for publication AF1016

Using NRCS Technical and Financial Assistance for Agroforestry and Woody Crop Establishment Through the Environmental Quality Incentives Program (EQIP)

Revised

Learn how to access EQIP technical and financial assistance for alley cropping, multistory cropping, riparian buffer, silvopasture and windbreak practices.

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Cover art for publication G6958

Grass Clippings, Compost and Mulch: Questions and Answers

Reviewed

Yard waste is valuable landscape resource. Visit our site for our Grass Clippings, Compost and Mulch: Questions and Answers resource.

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Cover art for publication G6751

Calibrating Sprayers and Spreaders for Athletic Fields and Golf Courses

Reviewed

Guidance on accurately calibrating sprayers and spreaders for effective turf pest control on athletic fields and golf courses.

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Cover art for publication G6959

“Don’t Bag It” Lawn Care

Reviewed

Learn how to improve lawn health by recycling clippings, reducing thatch, and conserving resources with effective mowing and fertilizing techniques.

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Sarcoxie (Kwik Krop) walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 31

Reviewed

Sarcoxie (Kwik Krop) walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Compare walnuts.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 02

Reviewed

Compare the nuts of walnut cultivars side by side and learn about characteristics of selected black walnut cultivars.

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Schessler walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 34

Reviewed

Schessler walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Brown Nugget walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 05

Reviewed

Brown Nugget walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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South Fork walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 37

Reviewed

South Fork walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Sparks 147 walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 40

Reviewed

Sparks 147 walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Davidson walnut information.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 08

Reviewed

Davidson walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Black walnut and foliage.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars

Reviewed

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.

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Thomas walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 43

Reviewed

Thomas walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Emma K walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 11

Reviewed

Emma K walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Wiard walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 46

Reviewed

Wiard walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Hare walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 14

Reviewed

Hare walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Higbee Mill walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 17

Reviewed

Higbee Mill walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Kwik Krop walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 20

Reviewed

Kwik Krop walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Neel #1 walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 23

Reviewed

Neel #1 walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Ohio walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 26

Reviewed

Ohio walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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Pritchett walnut.

Flowering and Fruit Characteristics of Black Walnuts: A Tool for Identifying and Selecting Cultivars, Page 29

Reviewed

Pritchett walnut average date of budbreak, flower type, bloom period, pollination date, season length, harvest date, and more.

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