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Subjects corn Remove constraint corn: corn Subjects mathematical models Remove constraint mathematical models: mathematical models 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. 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

3. Do Synergistic Relationships between Nitrogen and Water Influence the Ability of Corn to Use Nitrogen Derived from Fertilizer and Soil?

Description:
Includes references
Author:
Kim, K.I. , Clay, D.E. , Carlson, C.G. , Clay, S.A. , Trooien, T.
Subject:
Zea mays , corn , synergism , nitrogen , plant available water , nutrient use efficiency , nitrogen fertilizers , nutrient uptake , soil fertility , soil water content , fertilizer rates , urea , evapotranspiration , plant growth , mathematical models , South Dakota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

4. 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

5. Plant Growth Component of a Simple Rye Growth Model

Description:
Includes references
Author:
Feyereisen, G.W. , Sands, G.R. , Wilson, B.N. , Strock, J.S. , Porter, P.M.
Subject:
cover crops , soil-plant-atmosphere interactions , simulation models , plant growth , growth models , nitrogen , nutrient uptake , dry matter accumulation , mathematical models , leaf area index , photosynthetically active radiation , radiation use efficiency , rye , Secale cereale , corn , crop rotation , soybeans , Minnesota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

6. Summer cover crop impacts on soil percolation and nitrogen leaching from a winter corn field

Description:
Includes references
Author:
Muñoz-Carpena, R. , Ritter, A. , Bosch, D.D. , Schaffer, B. , Potter, T.L.
Subject:
Crotalaria juncea , cover crops , nitrogen , leaching , infiltration (hydrology) , Zea mays , corn , vadose zone , soil water content , soil water balance , soil nutrient balance , nitrogen fertilizers , fertilizer application , groundwater contamination , drainage , prediction , mathematical models , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008