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Subjects Zea mays Remove constraint Zea mays: Zea mays Subjects nitrogen Remove constraint nitrogen: nitrogen
Displaying items 1 - 10 of 203 start over

1. A classification system for factors affecting crop response to nitrogen fertilization

Description:
Includes references
Author:
Lory, J.A. , Russelle, M.P. , Randall, G.W.
Subject:
Zea mays , continuous cropping , crop rotation , nitrogen fertilizers , crop yield , edaphic factors , temporal variation , dry matter accumulation , soil fertility , nitrogen , application rate , fertilizer requirements , cropping sequence , Minnesota
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1995

2. A description of the general effect of pH on formation of nitrate in soils

Description:
Includes references
Author:
Olness, A.
Subject:
soil pH , nitrogen , mineralization , nitrate nitrogen , mathematical models , agricultural soils , Zea mays , fertilizer application , silt loam soils , hydroxides , hydrogen , ions , nitrates , chemical concentration , soil chemistry , Midwestern United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1999

3. Ability for In-Season Correction of Nitrogen Deficiency in Corn Using Chlorophyll Meters

Description:
Includes references
Author:
Varvel, G.E. , Schepers, J.S. , Francis, D.D.
Subject:
meters (equipment) , Zea mays , nutrient deficiencies , soil nutrients , nitrogen , plant nutrition , chlorophyll , fertilizer application , fertilizer requirements , growing season , monitoring , grain yield , crop rotation , hybrids , nutrient management
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1997

4. Active Sensor Reflectance Measurements of Corn Nitrogen Status and Yield Potential

Description:
Includes references
Author:
Solari, F. , Shanahan, J. , Ferguson, R. , Schepers, J. , Gitelson, A.
Subject:
Zea mays , corn , plant nutrition , nitrogen , grain yield , remote sensing , sensors , reflectance , nutrient use efficiency , chlorophyll , spectral analysis , plant development , developmental stages , precision agriculture , variable rate application
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

5. Adsorption and Desorption of Phosphorus and Nitrogen by Immersed Stalks

Description:
Includes references
Author:
Gilley, J.E. , Eghball, B. , Marx, D.B.
Subject:
phosphorus , nitrogen , phosphates , nitrate nitrogen , ammonium nitrogen , adsorption , desorption , crop residues , stems , Glycine max , soybeans , Triticum aestivum , wheat straw , Zea mays , corn stover , pollution control , agricultural runoff , overland flow
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

6. Aerial photography to detect nitrogen stress in corn

Description:
Includes references
Author:
Blackmer, T.M. , Schepers, J.S.
Subject:
Zea mays , corn , plant nutrition , soil nutrients , nitrogen , nitrates , grain yield , aerial photography , nitrogen fertilizers , fertilizer application
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1996

7. Agroecosystem management effects on soil carbon and nitrogen

Description:
Includes references.
Author:
Wood, C.W. , Edwards, J.H.
Subject:
tillage , conservation tillage , continuous cropping , crop rotation , Triticum aestivum , Zea mays , Glycine max , soil fertility , nitrogen , carbon , soil organic matter , crop residues , mineralization , nutrient availability , soil depth , biological activity in soil , subtropics , conventional tillage , Alabama
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1992

8. Agronomic responses of corn hybrids from different eras to deficit and adequate levels of water and nitrogen

Description:
Includes references
Author:
O'Neill, P.M. , Shanahan, J.F. , Schepers, J.S. , Caldwell, B.
Subject:
Zea mays , corn , hybrids , grain yield , agronomic traits , plant-water relations , water stress , soil water deficit , nitrogen , soil fertility , nutrient availability , genotype-environment interaction , nutrition-genotype interaction , Nebraska
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

9. Alfalfa Nitrogen Credit to First-Year Corn: Potassium, Regrowth, and Tillage Timing Effects

Description:
Includes references
Author:
Yost, Matt A. , Coulter, Jeffrey A. , Russelle, Michael P. , Sheaffer, Craig C. , Kaiser, Daniel E.
Subject:
Medicago sativa , Zea mays , alfalfa , corn , fertilizer rates , fertilizer use reduction , fine-textured soils , grain yield , nitrogen , nitrogen fertilizers , plants , potassium , prices , regrowth , silage , tillage , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2012

10. 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