Search National Agricultural Library Digital Collections

You searched for:

Subjects corn Remove constraint corn: corn Subjects agricultural soils Remove constraint agricultural soils: agricultural soils Year 2003 Remove constraint 2003: 2003

Displaying all 5 items start over

1. Earthworm additions affect leachate production and nitrogen losses in typical midwestern agroecosystems

Description:: Includes references
Author:: Shuster, William D. , Shipitalo, Martin J. , Subler, Scott , Aref, Susanne , McCoy, Edward L.
Subject:: earthworms , Lumbricus terrestris , Aporrectodea , Octolasion , inoculation methods , silt loam soils , agricultural soils , population density , leaching , losses from soil , nitrogen , organic nitrogen compounds , agroecosystems , crop rotation , Zea mays , corn , Glycine max , soybeans , Triticum aestivum , wheat , ridge tillage , chiseling , soil nutrient balance , lysimeters , Ohio
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

2. Ecology and Population Biology of Aflatoxigenic Fungi in Soil

Description:: Includes references
Author:: Horn, Bruce W.
Subject:: soil fungi , aflatoxins , Aspergillus flavus , Aspergillus parasiticus , carcinogens , genotype , fields , spatial distribution , geographical distribution , agricultural soils , climatic factors , density , conidia , sclerotia , hyphae , peanuts , Arachis hypogaea , corn , Zea mays , cotton , Gossypium hirsutum , nut crops , wind , seed dispersal , drought , disease transmission , genetic variation
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

3. 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

4. Site-Specific Management Zones Based on Soil Electrical Conductivity in a Semiarid Cropping System

Description:: Includes references
Author:: Johnson, C.K. , Mortensen, D.A. , Wienhold, B.J. , Shanahan, J.F. , Doran, J.W.
Subject:: precision agriculture , agricultural soils , electrical conductivity , soil depth , spatial variation , semiarid soils , fields , grain yield , winter wheat , Triticum aestivum , Zea mays , corn , Colorado
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003

5. Soil Electrical Conductivity and Topography Related to Yield for Three Contrasting Soil-Crop Systems

Description:: Includes references
Author:: Kitchen, N.R. , Drummond, S.T. , Lund, E.D. , Sudduth, K.A. , Buchleiter, G.W.
Subject:: agricultural soils , electrical conductivity , topography , grain yield , cropping systems , corn , winter wheat , soybeans , grain sorghum , Zea mays , Glycine max , Triticum aestivum , Sorghum bicolor , statistical analysis , correlation , regression analysis , neural networks , nonlinear models , altitude , slope , aspect , precision agriculture , sensors , Colorado , Kansas , Missouri
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2003