Soon, Y.K., G.W. Clayton, and W.A. Rice. 2001. Tillage Citation and previous crop effects on dynamics of nitrogen in Pavek, P.L.S. 2012. Plant guide for pea (Pisum sativum a wheat-soil system. Agron. J. 93:842-849. L.). USDA-Natural Resources Conservation Service, Sullivan, P. 2003. Overview of cover crops and green Pullman, WA. manures. [Online] Available at . (Accessed 9 Nov 2010). National Sustainable Agriculture Information Published June 2012 Service - Appropriate Technology Transfer for Rural Edited: 3May2012 aym; 14May2012 aj, 16 May2012 cs; Areas. Fayetteville, AR, Butte MT, and Davis, CA. 20June2012 plsp USDA-National Agricultural Statistics Service. 2011. Press release. [Online] Available at: For more information about this and other plants, please contact your local NRCS field office or Conservation District at and visit the PLANTS Web site at or the Plant (Accessed 20 April 2012). USDA-NASS, Materials Program Web site . Washington, DC. USDA-National Agricultural Statistics Service. 2012. PLANTS is not responsible for the content or availability [Online] Available at: http://www.nass.usda.gov of other Web sites. (Accessed 20 April 2012). USDA-NASS, Washington, DC. Vavilov, N.I. 1949. The origin, variation, immunity and breeding of cultivated plants. Chron. Bot. 13:1-54. Prepared By USDA NRCS Plant Materials Center, Pamela L.S. Pavek, Pullman, Washington USDA IS AN EQUAL OPPORTUNITY PROVIDER AND EMPLOYER
Soon, Y.K., G.W. Clayton, and W.A. Rice. 2001. Tillage and previous crop effects on dynamics of nitrogen in a wheat-soil system. Agron. J. 93:842-849. Sullivan, P. 2003. Overview of cover crops and green manures. [Online] Available at . (Accessed 9 Nov 2010). National Sustainable Agriculture Information Service - Appropriate Technology Transfer for Rural Areas. Fayetteville, AR, Butte MT, and Davis, CA. USDA-National Agricultural Statistics Service. 2011. Press release. [Online] Available at: (Accessed 20 April 2012). USDA-NASS, Washington, DC. USDA-National Agricultural Statistics Service. 2012. [Online] Available at: http://www.nass.usda.gov (Accessed 20 April 2012). USDA-NASS, Washington, DC. Vavilov, N.I. 1949. The origin, variation, immunity and breeding of cultivated plants. Chron. Bot. 13:1-54. Prepared By Pamela L.S. Pavek, USDA NRCS Plant Materials Center, Pullman, Washington Citation Pavek, P.L.S. 2012. Plant guide for pea (Pisum sativum L.). USDA-Natural Resources Conservation Service, Pullman, WA. Published June 2012 Edited: 3May2012 aym; 14May2012 aj, 16 May2012 cs; 20June2012 plsp For more information about this and other plants, please contact your local NRCS field office or Conservation District at and visit the PLANTS Web site at or the Plant Materials Program Web site . PLANTS is not responsible for the content or availability of other Web sites. USDA IS AN EQUAL OPPORTUNITY PROVIDER AND EMPLOYER
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