NC State Extension Publications

Organic Grain Production

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Appropriate Technology Transfer for Rural Areas (ATTRA)—Organic Farming

P.O. Box 3657, Fayetteville, AR 72702. Telephone: 1-800-346-9140

The Rodale Institute

611 Siegfriedale Road, Kutztown, PA 19530-9320.

Telephone: 610-683-1400. Fax: 610-683-8548. Email:

North Carolina Organic Commodities Production and Marketing

Department of Crop and Soil Sciences, NC State University, Raleigh, NC.

Cover Crops

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Bowman, G., C. Shirley, and C. Cramer. 1998. Managing Cover Crops Profitably. The Sustainable Agriculture Network Handbook Series, Book 3. University of Vermont, Sustainable Agriculture Publications.

Creamer, N.G. and K.R. Baldwin. 1999. Summer Cover Crops. Horticulture Information Leaflets (HIL-37). NC State University.

Hoyt, G.D., M.G. Wagger, and C.R. Crozie. 2004. Soilfacts: Winter Annual Cover Crops. (AGW-439-58). NC State University.

Southern Cover Crops Council

Precision Sustainable Agriculture, Cover Crop Selector Tool

Precision Sustainable Agriculture, Cover Crop Nitrogen Calculator Tool

Organic Certification Information

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The National Organic Program of the USDA Agricultural Marketing Service provides information about regulations and standards, lists of accredited certifiers and allowed and prohibited substances, and more.

Future Harvest—Chesapeake Alliance for Sustainable Agriculture
106 Market Court, Stevensville, MD 21666.
Telephone: 410-604-2681.

Growing Small Farms, Chatham County Center, North Carolina Cooperative Extension Service.

Promoting awareness, understanding, and practice of sustainable agriculture.
P.O.Box 279, Pittsboro, NC 27312.
Telephone: 919-542-8202.

Organic Certification Guide

Organic Materials Review Institute (OMRI). OMRI is a nonprofit organization whose primary mission is to publish and disseminate generic and specific (brand name) lists of materials allowed and prohibited for use in the production, processing, and handling of organic food and fiber. Brand name lists are available online.
Box 11558, Eugene, OR 97440.
Telephone: 541-343-7600.

Nutrient Management

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Natural Resources Conservation Service (NRCS), USDA

P.O. Box 2890, Washington, D.C. 20013

NRCS North Carolina office

4405 Bland Rd, Suite 205, Raleigh, NC 27609

Telephone: 919-873-2100

North Carolina Division of Soil and Water Conservation

1614 Mail Service Center, Raleigh, NC 27699-1614

Telephone: 919-733-2302

Weed Management

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Bowman, G. 1997. Steel in the Field. A Farmer’s Guide to Weed Management Tools. Sustainable Agriculture Network Handbook 2. Beltsville, ME: Sustainable Agriculture Network.


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North Carolina Organic Field Crop Production and Marketing. Department of Crop Science, NC State University.

Organic Trade Association. 74 28 Vernon St, Suite 413, Brattleboro VT 05301
Tel: 802-275-3800.

NC State Extension Publications and Websites, NC State University

Skip to NC State Extension Publications and Websites, NC State University

North Carolina Official Variety Trials

North Carolina Small Grains Production
North Carolina Corn Production
North Carolina Soybean Production
North Carolina Peanut Production
North Carolina Tobacco Production

NC State Extension Publications, NC State University

Gatiboni, L. and D.H. Hardy. 2021. Soilfacts: Soil Acidity and Liming for Agricultural Soils. AG-439-50. NC State Extension.

Gatiboni, L., D.L. Osmond, and D.H. Hardy. 2022. Soilfacts: Careful Soil Sampling, the Key to Reliable Soil Test Information. AG-439-30. NC State Extension.

Gatiboni, L., C. Reberg-Horton. 2021. Soilfacts: Winter Annual Cover Crops. AG-439-58. NC State Extension.

Post, A. 2021. Small Grains Production Guide. AG-580. NC State Extension.

Osmond, D. 2008. Soilfacts: Nutrient Removal by Crops in North Carolina. AG-439-16. NC State Extension.

Additional Extension publications and factsheets are available through the Department of Crop and Soil Sciences.

Find more information at the following NC State Extension websites:

Publication date: March 19, 2024

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