Norman L. Widman

USDA Natural Resources Conservation Service
Ecological Sciences Division
P.O. Box 2890, Room 6153-S
Washington, DC
USA 20013
Email: norm.widman@wdc.usda.gov

Papers:
117-6 The History and Advancement of No till Crop Production Technologies.
118-8 Turfgrass Sod Harvesting and Land Use Sustainability.
258-2 Application of Adaptive Management Principles Using USDA-NRCS Nutrient Management (590) Conservation Practice Standard.