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Subjects corn Remove constraint corn: corn Subjects agricultural soils Remove constraint agricultural soils: agricultural soils Subjects surface layers Remove constraint surface layers: surface layers

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1. Change in Surface Soil Carbon under Rotated Corn in Eastern South Dakota

Description:: Includes references
Author:: Pikul, Joseph L. Jr. , Johnson, Jane M.F. , Schumacher, Thomas E. , Vigil, Merle , Riedell, Walter E.
Subject:: soil organic carbon , crop rotation , Zea mays , corn , agricultural soils , surface layers , nitrogen fertilizers , sandy clay loam soils , grain yield , fertilizer application , carbon sequestration , crop residues , South Dakota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

2. Evaluating soil color with farmer input and apparent soil electrical conductivity for management zone delineation

Description:: Includes references
Author:: Fleming, K.L. , Heermann, D.F. , Westfall, D.G.
Subject:: soil color , agricultural soils , electrical conductivity , surface layers , fields , spatial variation , fertilizer application , variable rate application , farmers' attitudes , agricultural management , crop production , Zea mays , corn , grain yield , soil fertility , soil texture , Colorado
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004