Walter L. Ferguson

• 1979 pesticide use on vegetables in the northeast
• 1979 pesticide use on vegetables in the southeast
• Pesticide residues and food safety
• Economic effects of banning methyl bromide for soil fumigation
• Farm labor used for fruits and tree nuts, 1964
• Farmers' expenditures for custom pesticide services, 1971
• Hay harvesting methods, labor and equipment used, Northeast States
• Hay harvesting practices and labor used, 1967, 48 States
• Pesticide use on selected crops