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Subjects corn Remove constraint corn: corn Authors Jaynes, D.B. Remove constraint Jaynes, D.B.: Jaynes, D.B.
Displaying items 1 - 10 of 13 start over

1. Corn response to late-spring nitrogen management in the Walnut Creek watershed

Description:
Includes references
Author:
Karlen, D.L. , Dinnes, D.L. , Jaynes, D.B. , Hurburgh, C.R. , Cambardella, C.A. , Colvin, T.S. , Rippke, G.R.
Subject:
Zea mays , corn , grain crops , nitrogen fertilizers , soil fertility , nutrient management , nitrate nitrogen , drainage , losses from soil , fertilizer rates , crop models , fertilizer requirements , chlorophyll , plant nutrition , nutrient content , nitrates , grain yield , crop quality , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005

2. Corn Yield and Nitrate Loss in Subsurface Drainage from Midseason Nitrogen Fertilizer Application

Description:
Includes references
Author:
Jaynes, D.B. , Colvin, T.S.
Subject:
Zea mays , corn , Glycine max , soybeans , crop production , crop yield , nitrogen fertilizers , application rate , application timing , seasonal variation , nitrates , leaching , water pollution , drainage water , subsurface drainage
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

3. DRAINMOD-N II: Evaluated for an Agricultural System in Iowa and Compared to RZWQM-DSSAT

Description:
Includes references
Author:
Thorp, K.R. , Youssef, M.A. , Jaynes, D.B. , Malone, R.W. , Ma, L.
Subject:
agricultural watersheds , nitrogen , losses from soil , hydrologic models , agricultural management models , simulation models , subsurface drainage , drainage water , nitrogen fertilizers , fertilizer application , fertilizer rates , nitrate nitrogen , water pollution , crop production , Zea mays , corn , Glycine max , soybeans , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

4. In Situ Bioreactors and Deep Drain-Pipe Installation to Reduce Nitrate Losses in Artificially Drained Fields

Description:
Includes references
Author:
Jaynes, D.B. , Kaspar, T.C. , Moorman, T.B. , Parkin, T.B.
Subject:
nitrates , water pollution , bioreactors , subsurface drainage , tile drainage , hydrology , Zea mays , corn , Glycine max , soybeans , grain yield , extraction , denitrification , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

5. Nitrate leaching to subsurface drains as affected by drain spacing and changes in crop production system

Description:
Includes references
Author:
Kladivko, E.J. , Frankenberger, J.R. , Jaynes, D.B. , Meek, D.W. , Jenkinson, B.J. , Fausey, N.R.
Subject:
nitrates , leaching , subsurface drainage , chiseling , Zea mays , corn , no-tillage , Glycine max , soybeans , crop rotation , water flow , fallow , spatial distribution , cover crops , trap crops , nitrogen fertilizers , fertilizer rates , crop yield , Indiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Relationship of corn and soybean yield to soil and terrain properties

Description:
Includes references
Author:
Kaspar, T.C. , Pulido, D.J. , Fenton, T.E. , Colvin, T.S. , Karlen, D.L. , Jaynes, D.B. , Meek, D.W.
Subject:
Zea mays , corn , Glycine max , soybeans , grain yield , agricultural soils , soil chemical properties , soil physical properties , soil fertility , spatial variation , topography , fields , landscapes , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

7. Rye Cover Crop and Gamagrass Strip Effects on NO3 Concentration and Load in Tile Drainage

Description:
Includes references
Author:
Kaspar, T.C. , Jaynes, D.B. , Parkin, T.B. , Moorman, T.B.
Subject:
water pollution , nitrates , losses from soil , pollution load , tile drainage , subsurface flow , pollution control , agricultural runoff , cover crops , Secale cereale , crop rotation , Zea mays , corn , no-tillage , Glycine max , soybeans , Tripsacum dactyloides , conservation buffers , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

8. 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

9. Simulating Long-Term Effects of Nitrogen Fertilizer Application Rates on Corn Yield and Nitrogen Dynamics

Description:
Includes references
Author:
Thorp, K.R. , Malone, R.W. , Jaynes, D.B.
Subject:
Zea mays , corn , grain yield , nitrogen fertilizers , fertilizer rates , fertilizer application , crop models , Root Zone Water Quality Model , simulation models , subsurface drainage , drainage water , losses from soil , leaching , nitrate nitrogen , long term experiments , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

10. Soil organic nitrogen enrichment following soybean in an Iowa corn-soybean rotation

Description:
Includes references
Author:
Martens, D.A. , Jaynes, D.B. , Colvin, T.S. , Kaspar, T.C. , Karlen, D.L.
Subject:
Zea mays , corn , Glycine max , soybeans , soil fertility , nitrogen , organic nitrogen compounds , crop rotation , grain yield , amino acids , galactosamine , soil test values , seasonal variation , ammonium nitrogen , soil water content , flooded conditions , soil microorganisms , glucosamine , ornithine , fertilizer requirements , nitrogen fertilizers , Iowa
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006