Search National Agricultural Library Digital Collections
Displaying items
1 - 10 of
14
start over
- Description:
- Includes references
- Author:
- Picone, L.I. , Cabrera, M.L. , Franzluebbers, A.J. , Soil Science Society of America.
- Subject:
- gas production (biological) , organic nitrogen compounds , soil analysis , inorganic salts , sandy loam soils , estimation , correlation , mineralization , soil microorganisms , biomass , carbon dioxide , extraction , potassium chloride , ammonium nitrogen , measurement , emissions
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2002
- Description:
- Includes references
- Author:
- Schomberg, H.H. , Jones, O.R. , Soil Science Society of America.
- Subject:
- Triticum aestivum , Sorghum bicolor , fallow , crop rotation , no-tillage , continuous cropping , stubble mulching , dryland farming , soil organic matter , nitrogen , carbon , soil microorganisms , biomass , biological activity in soil , biogeochemical cycles , crop residues , soil organic carbon
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1999
- Description:
- Includes references
- Author:
- Idol, T.W. , Pope, P.E. , Ponder, F. Jr. , Soil Science Society of America.
- Subject:
- soil microorganisms , biomass , nitrogen content , forest soils , A horizons , B horizons , Indiana
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2002
- 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
- Description:
- Includes references
- Author:
- Petersen, S.O. , Frohne, P.S. , Kennedy, A.C. , Soil Science Society of America.
- Subject:
- soil microorganisms , biomass , phospholipids , fatty acids , nitrogen content , phosphorus , long chain fatty acids , microbial physiology , no-tillage , bulk density , soil organic matter , carbon , soil water , soil fertility , silt loam soils , Triticum aestivum , seasonal variation , chiseling , Washington
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2002
- Description:
- Includes references
- Author:
- Johnson, C.K. , Doran, J.W. , Duke, H.R. , Wienhold, B.J. , Eskridge, K.M. , Shanahan, J.F. , Soil Science Society of America.
- Subject:
- electrical conductivity , correlation , soil physical properties , soil chemistry , soil fertility , soil microorganisms , biomass , nitrogen , carbon , crop residues , bulk density , clay fraction , soil pH , spatial variation , fields , Colorado
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2001
- Description:
- Includes references
- Author:
- Franzluebbers, A.J. , Haney, R.L. , Honeycutt, C.W. , Schomberg, H.H. , Hons, F.M. , Soil Science Society of America.
- Subject:
- soil microorganisms , microbial activity , biological activity in soil , soil types , carbon , nitrogen , mineralization , dry environmental conditions , carbon dioxide , soil organic matter , soil management
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 2000
- Description:
- Includes references
- Author:
- Francis, D.D. , Doran, J.W. , Lohry, R.D. , Soil Science Society of America.
- Subject:
- educational methods , Zea mays , liquid fertilizers , nutrient availability , nutrient uptake , soil microorganisms , ammonium nitrogen , nitrate nitrogen , quantitative analysis , methodology , losses from soil , nitrification , dicyandiamide , ammonium nitrate , Nebraska
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1993
- Description:
- Includes references
- Author:
- Stahl, Peter D. , Parkin, Timothy B. , Soil Science Society of America.
- Subject:
- soil microorganisms , biological activity in soil , biosynthesis , organic compounds , volatile compounds , metabolites , temporal variation , community structure , population
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1996
- Description:
- Includes references
- Author:
- Liebig, M.A. , Jones, A.J. , Doran, J.W. , Mielke, L.N. , Soil Science Society of America.
- Subject:
- soil microorganisms , biological activity in soil , soil heterogeneity , ridging , soil depth , spatial distribution , bulk density , soil strength , soil texture , particle size , saturated hydraulic conductivity , soil water retention , soil organic matter , carbon , nitrogen content , correlation , soil aggregates
- Collection:
- Journal Articles, USDA Authors, Peer-Reviewed
- Year:
- 1995
