R. F. Follett

1939

• Nitrogen in the environment
• Reclamation and revegetation of land areas disturbed by man
• Soil erosion and crop productivity
• Soil fertility and organic matter as critical components of production systems
• The potential of U.S. grazing lands to sequester carbon and mitigate the greenhouse effect
• Agricultural practices and policies for carbon sequestration in soil
• Managing nitrogen for groundwater quality and farm profitability
• Nitrogen management and ground water protection
• Reclamation and revegetation of land areas disturbed by man
• Soil carbon sequestration and the greenhouse effect