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Subjects corn Remove constraint corn: corn Subjects mathematical models Remove constraint mathematical models: mathematical models Subjects grain yield Remove constraint grain yield: grain yield
Displaying items 1 - 10 of 11 start over

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. Evaluating decision rules for dryland rotation crop selection

Description:
Includes references
Author:
Nielsen, David C. , Vigil, Merle F. , Benjamin, Joseph G.
Subject:
grain crops , fallow , no-tillage , dryland farming , plant available water , soil water content , soil water storage , precipitation , transpiration , grain yield , water use efficiency , profitability , crop rotation , decision making , forage crops , Triticum aestivum , winter wheat , planting date , mathematical models , Zea mays , corn , Panicum miliaceum , millets
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2011

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. Inbred-Progeny Selection Is Predicted to Be Inferior to Half-Sib Selection for Three Maize Populations

Description:
Includes references
Author:
Wardyn, Brandon M. , Edwards, Jode W. , Lamkey, Kendall R.
Subject:
Zea mays , corn , inbred lines , artificial selection , selection criteria , progeny , outbred lines , genotype , genetic variation , genetic improvement , equations , mathematical models , genetic variance , height , grain yield
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

6. Large-area maize yield forecasting using leaf area index based yield model

Description:
Includes references
Author:
Baez-Gonzalez, A.D. , Kiniry, J.R. , Maas, S.J. , Tiscareno L., M. , Macias C., J. , Mendoza, J.L. , Richardson, C.W. , Salinas, G., J. , Manjarrez, J.R.
Subject:
Zea mays , corn , grain crops , grain yield , crop models , leaf area index , prediction , remote sensing , equations , mathematical models , satellites , Mexico
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

7. Modeling Impacts of Tile Drain Spacing and Depth on Nitrate-Nitrogen Losses

Description:
In the special section: Artificial drainage.
Author:
Nangia, V. , Gowda, P.H. , Mulla, D.J. , Sands, G.R.
Subject:
tile drainage , nitrate nitrogen , losses from soil , mathematical models , simulation models , subsurface drainage , hydrologic models , crop yield , Glycine max , soybeans , Zea mays , corn , grain yield , Minnesota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010

8. Root-zone salinity. I. Selecting a product-yield index and response function for crop tolerance

Description:
Includes references
Author:
Steppuhn, H. , Van Genuchten, M.T. , Grieve, C.M.
Subject:
Triticum aestivum , spring wheat , Zea mays , corn , Medicago sativa , alfalfa , Medicago sativa subsp. falcata , Raphanus sativus , radishes , rhizosphere , soil salinity , salt tolerance , phytotoxicity , crop yield , grain yield , crop models , mathematical models
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

9. Simulating planting date effects on corn production using RZWQM and CERES-Maize models

Description:
Includes references
Author:
Anapalli, S.S. , Ma, L. , Nielsen, D.C. , Vigil, M.F. , Ahuja, L.R.
Subject:
Zea mays , corn , grain yield , crop production , crop models , Root Zone Water Quality Model , planting date , mathematical models , hybrids , maturity groups , irrigated farming , Colorado
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

10. Simulating the fate of water in field soil--crop environment

Description:
Includes references
Author:
Cameira, M.R. , Fernando, R.M. , Ahuja, L. , Pereira, L.
Subject:
Root Zone Water Quality Model , agricultural soils , model validation , evapotranspiration , grain crops , plant growth , equations , mathematical models , silt loam soils , sandy soils , Zea mays , corn , irrigated soils , irrigated farming , grain yield , crop yield , forage crops , plant-water relations , Portugal
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005