United States Department of Agriculture
Agricultural Research Service
Soil and Water Management Archive
Nov 4 2008 - Spatial and temporal variability affect soil microorganism activity in high production corn systems.
Feb 11 2009 - Reduced tillage intensity and incidence of fallow combined with crop rotation improves soil quality in the Great Plains.
April 13 2009 Cropping and tillage strategies to minimize off-site impacts of excess nutrients in soil.pdf
April 15 2009 Cropping systems with corn residue production levels sufficient to maintain or even improve soil organic carbon levels .pdf
April 16 2009 Corn stover removal reduces grain yield on marginal soils.pdf
April 17 2009 Cropping system diversity maintains or even improves soil organic carbon levels.pdf
June 15 2009 Use of crop canopy size to estimate coefficient for vegatable crops.pdf
June 17 2009 On-farm agro-economic effects of fertilizing cropland with poultry litter.pdf
Sep 9 2009 Using Computer Models to Explore Alternative Scenarios for Managing Limited Irrigation Water.pdf
March 24 2010Long-term tillage and cropping sequence influence on dryland soil carbon, nitrogen, physical properties, and crop yields.pdf
June 9 2010 Tillage and crop rotation effects on dryland soil and residue carbon and nitrogen dynamics
June 18 2010 Carbon and nitrogen pools in soil aggregates separated by dry and wet sieving methods