Jerry Rafats

• Women in agriculture, January 1979-October 1988
• Earthworms
• Earthworms in agriculture
• Ginseng
• Ginseng, 1970-February 1981
• Heptachlor contamination
• Killer bees
• Oyster mushroom
• Potential new crop
• Potential new crop, Crambe, 1970-1990
• U.S. farm crisis