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Subjects crop yield Remove constraint crop yield: crop yield Authors Peterson, T.A. Remove constraint Peterson, T.A.: Peterson, T.A.

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1. A comparison of two nitrogen credit methods: traditional vs. difference

Description:: Includes references
Author:: Lory, J.A. , Russelle, M.P. , Peterson, T.A.
Subject:: nitrogen fertilizers , estimation , accuracy , crop rotation , continuous cropping , Zea mays , field crops , legumes , cover crops , Trifolium incarnatum , Glycine max , crop yield , fertilizer requirements , application rate , grains
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1995

2. Crop yield as affected by rotation and nitrogen rate. I. Soybean

Description:: Includes references.
Author:: Peterson, T.A. , Varvel, G.E.
Subject:: Zea mays , Glycine max , crop yield , crop rotation , nitrogen fertilizers , fertilizer application , continuous cropping , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1989

3. Crop yield as affected by rotation and nitrogen rate. II. Grain sorghum

Description:: Includes references.
Author:: Peterson, T.A. , Varvel, G.E.
Subject:: Sorghum bicolor , crop yield , crop rotation , fertilizer application , nitrogen fertilizers , Zea mays , Glycine max , Avena sativa , Trifolium pratense , Melilotus officinalis
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1989

4. Crop yield as affected by rotation and nitrogen rate. III. Corn

Description:: Includes references.
Author:: Peterson, T.A. , Varvel, G.E.
Subject:: Zea mays , crop yield , crop rotation , fertilizer application , nitrogen fertilizers , Glycine max , Sorghum bicolor , Avena sativa , Trifolium pratense , Melilotus officinalis
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1989

5. Nitrogen fertilizer recovery by grain sorghum in monoculture and rotation systems

Description:: Includes references.
Author:: Varvel, G.E. , Peterson, T.A.
Subject:: Sorghum bicolor , crop rotation , Glycine max , Zea mays , Avena sativa , Trifolium pratense , Melilotus officinalis , nitrogen fertilizers , isotopes , radiolabeling , nutrient uptake , nitrogen , crop yield , stover , nitrogen content , application rate , grains , continuous cropping , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1991

6. Nitrogen placement evaluation for winter wheat in three fallow tillage systems

Description:: Includes references.
Author:: Varvel, G.E. , Havlin, J.L. , Peterson, T.A.
Subject:: Triticum aestivum , winter wheat , nitrogen fertilizers , soil organic matter , soil injection , nitrogen , no-tillage , stubble mulching , fallow , plowing , crop yield , dry matter accumulation , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1989

7. Residual soil nitrogen as affected by continuous, two-year, and four-year crop rotation systems

Description:: Includes references.
Author:: Varvel, G.E. , Peterson, T.A.
Subject:: Zea mays , Glycine max , Sorghum bicolor , Avena sativa , Melilotus officinalis , Trifolium pratense , crop rotation , continuous cropping , nitrogen fertilizers , nutrient requirements , residual effects , nitrate nitrogen , ammonium nitrogen , nutrient uptake , nitrogen , losses from soil , crop yield , application rate , grains , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 1990