Search National Agricultural Library Digital Collections

You searched for:

Subjects nitrogen Remove constraint nitrogen: nitrogen Year 2002 Remove constraint 2002: 2002 Authors Soil Science Society of America. Remove constraint Soil Science Society of America.: Soil Science Society of America.

Displaying all 5 items start over

1. Contributions of shoot and root nitrogen-15 labeled legume nitrogen sources to a sequence of three cereal crops

Description:: Includes references
Author:: Glasener, K.M. , Wagger, M.G. , MacKown, C.T. , Volk, R.J. , Soil Science Society of America.
Subject:: Pueraria phaseoloides , cover crops , shoots , roots , nitrogen content , green manures , nutrient uptake , nitrogen , stable isotopes , Zea mays , Oryza sativa , soil fertility , plant litter , Bolivia
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2002

2. Crop sequence and nitrogen fertilization effects on soil properties in the western corn belt

Description:: Includes references
Author:: Liebig, M.A. , Varvel, G.E. , Doran, J.W. , Wienhold, B.J. , Soil Science Society of America.
Subject:: Zea mays , continuous cropping , crop rotation , Glycine max , Avena sativa , Trifolium pratense , soil organic matter , soil fertility , nitrogen , soil chemistry , soil microorganisms , application rate , soil organic carbon , Nebraska
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2002

3. Non-labile soil 15nitrogen retention beneath three tree species in a tropical plantation

Description:: Includes references
Author:: Kaye, J.P. , Binkley, D. , Zou, X. , Parrotta, J.A. , Soil Science Society of America.
Subject:: Eucalyptus robusta , Casuarina equisetifolia , Leucaena leucocephala , forest plantations , nitrogen , stable isotopes , soil organic matter , organic nitrogen compounds , soil fertility , nitrogen-fixing trees , Puerto Rico
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2002

4. State-space description of field heterogeneity: water and nitrogen use in cotton

Description:: Includes references
Author:: Li, H. , Lascano, R.J. , Booker, J. , Wilson, L.T. , Bronson, K.F. , Segarra, E. , Soil Science Society of America.
Subject:: Gossypium hirsutum , fields , spatial variation , soil water content , altitude , topography , irrigation , nitrogen fertilizers , nitrogen , nutrient uptake , soil fertility , irrigation scheduling , crop yield , clay fraction , sand fraction , application rate , Texas
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2002

5. Tillage, nitrogen, and cropping system effects on soil carbon sequestration

Description:: Includes references
Author:: Halvorson, A.D. , Wienhold, B.J. , Black, A.L. , Soil Science Society of America.
Subject:: loam soils , soil organic matter , carbon , losses from soil , Triticum aestivum , Helianthus annuus , crop rotation , fallow , nitrogen fertilizers , no-tillage , minimum tillage , tillage , crop residues , bulk density , soil fertility , nitrogen , application rate , North Dakota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2002