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Subjects corn Remove constraint corn: corn Subjects equations Remove constraint equations: equations Subjects nitrogen Remove constraint nitrogen: nitrogen

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1. An Active Sensor Algorithm for Corn Nitrogen Recommendations Based on a Chlorophyll Meter Algorithm

Description:: Includes references
Author:: Solari, Fernando , Shanahan, John F. , Ferguson, Richard B. , Adamchuk, Viacheslav I.
Subject:: Zea mays , corn , nitrogen , plant nutrition , nutritional status , canopy , sensors , reflectance , algorithms , chlorophyll , nitrogen fertilizers , fertilizer rates , mathematical models , equations , nitrogen balance , accuracy , model validation , grain yield , irrigated farming
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2010

2. Characteristics and Nitrogen Value of Stratified Bedded Pack Dairy Manure

Description:: Includes references
Author:: Russelle, Michael P. , Blanchet, Kevin M. , Randall, Gyles W. , Everett, Leslie A.
Subject:: organic fertilizers , nitrogen , dairy manure , animal manure management , physical properties , nutrient content , mineralization , Zea mays , corn , phosphorus , potassium , composted manure , solids , bulk density , nitrates , carbon nitrogen ratio , immobilization in soil , fertilizer rates , equations , bioavailability , planting date , application timing , spatial variation , Minnesota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2009

3. Comparison of estimates of first-year dairy manure nitrogen availability or recovery using nitrogen-15 and other techniques

Description:: Includes references
Author:: Munoz, G.R. , Kelling, K.A. , Powell, J.M. , Speth, P.E.
Subject:: dairy cattle , cattle manure , nitrogen fertilizers , nitrogen , nutrient availability , Zea mays , corn , prediction , methodology , isotope labeling , nutrient uptake , grain yield , application timing , regression analysis , equations , mathematical models , Wisconsin
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2004

4. Estimating Soil Mineralizable Nitrogen under Different Management Practices

Description:: Includes references
Author:: Mikha, M.M. , Rice, C.W. , Benjamin, J.G.
Subject:: nitrogen , mineralization , tillage , silt loam soils , corn , Zea mays , continuous cropping , no-tillage , conventional tillage , nitrogen fertilizers , fertilizer application , soil management , estimation , equations , animal manures , Kansas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006

5. Evaluating Multiple Indices from a Canopy Reflectance Sensor to Estimate Corn N Requirements

Description:: Includes references
Author:: Sripada, Ravi P. , Schmidt, John P. , Dellinger, Adam E. , Beegle, Douglas B.
Subject:: Zea mays , corn , nitrogen , plant nutrition , nutrient requirements , canopy , reflectance , remote sensing , nitrogen fertilizers , economic analysis , fertilizer rates , field experimentation , application timing , color , grain yield , mathematical models , equations , Pennsylvania
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

6. Simulated Effects of Nitrogen Management and Soil Microbes on Soil Nitrogen Balance and Crop Production

Description:: Includes references
Author:: Ma, Liwang , Malone, R.W. , Jaynes, D.B. , Thorp, K.R. , Ahuja, L.R.
Subject:: agricultural soils , nitrogen , fertilizers , application rate , application timing , Root Zone Water Quality Model , simulation models , soil nutrient balance , soil microorganisms , population growth , carbon , equations , crop yield , corn , soybeans , Zea mays , Glycine max , crop production , tile drainage , nitrate nitrogen , losses from soil
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008