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Subjects corn Remove constraint corn: corn Subjects grain crops Remove constraint grain crops: grain crops Subjects environmental impact Remove constraint environmental impact: environmental impact

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1. Biofertilizers from algal treatment of dairy and swine manure effuents: characterization of algal biomass as a slow release fertilizer

Description:: Includes references
Author:: Mulbry, W. , Kondrad, S. , Pizarro, C.
Subject:: biofertilizers , effluents , dairy manure , pig manure , Algae , slow-release fertilizers , environmental impact , economic impact , nitrogen , phosphorus , fertilizers , nutrient content , composted manure , mineralization , nutrient availability , Zea mays , corn , grain crops , seedlings , anaerobic digestion , manure handling
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006

2. Soil Carbon Levels in Irrigated Western Corn Belt Rotations

Description:: Includes references
Author:: Varvel, G.E. , Wilhelm, W.W.
Subject:: Zea mays , corn , grain crops , Glycine max , soybeans , soil organic carbon , irrigated farming , crop rotation , crop residues , waste management , biofuels , biomass , environmental impact , corn stover , long term experiments , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

3. Water resources and water use efficiency in the North China Plain: Current status and agronomic management options

Description:: In the special issue: Crop water use efficiency at multiple scales / edited by Timothy R. Green, Qiang Yu, Liwang Ma, and Tian-Duo Wang.
Author:: Fang, Q.X. , Ma, L. , Green, T.R. , Yu, Q. , Wang, T.D. , Ahuja, L.R.
Subject:: water resources , water use efficiency , crop management , water stress , sustainable agriculture , environmental impact , plant breeding , soil management , irrigation rates , irrigation scheduling , irrigation management , genetic improvement , soil fertility , nitrogen , Triticum aestivum , wheat , Zea mays , corn , grain crops , double cropping , soil water content , nutrient use efficiency , China
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

4. Will Variable-Rate Nitrogen Fertilization Using Corn Canopy Reflectance Sensing Deliver Environmental Benefits

Description:: Includes references
Author:: Roberts, Darrin F. , Kitchen, Newell R. , Scharf, Peter C. , Sudduth, Kenneth A.
Subject:: Zea mays , corn , grain crops , nitrogen fertilizers , fertilizer rates , canopy , reflectance , remote sensing , environmental impact , application methods , nutrient use efficiency , losses from soil , field experimentation , nitrogen balance , crop yield , Missouri
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010