Search National Agricultural Library Digital Collections

You searched for:

Authors Powell, J.M. Remove constraint Powell, J.M.: Powell, J.M. Subjects corn Remove constraint corn: corn Subjects equations Remove constraint equations: equations

Displaying all 2 items start over

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. Nitrogen Budget and Soil N Dynamics after Multiple Applications of Unlabeled or 15Nitrogen-Enriched Dairy Manure

Description:: Includes references
Author:: Muñoz, G.R. , Powell, J.M. , Kelling, K.A.
Subject:: nitrogen fertilizers , dairy manure , fertilizer application , agricultural soils , cropping systems , nitrate nitrogen , environmental fate , losses from soil , leaching , runoff , corn , Zea mays , nutrient uptake , isotope labeling , equations , application timing , application rate , seasonal variation
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003