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1. 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

2. 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

3. Measurement and simulation of herbicide transport from the corn phase of three cropping systems

Description:
Includes references
Author:
Ghidey, F. , Blanchard, P.E. , Lerch, R.N. , Kitchen, N.R. , Alberts, E.E. , Sadler, E.J.
Subject:
water pollution , groundwater contamination , surface water , water quality , atrazine , metolachlor , application rate , application timing , agricultural runoff , losses from soil , soil transport processes , mathematical models , equations , corn , soybeans , wheat , crop rotation , no-tillage , mulching , Missouri
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2005