Crop loss assessment methods: FAO manual on the evaluation and prevention of losses by pests, disease and weeds
- U.S.A. Food & Agriculture Organization 1971
- 112p
L. Chiarappa: Crop loss assessment methods: FAO manual on the evaluation and prevention of losses by pests, disease and weeds. U.S.A.. Food & Agriculture Organization, 1971. 85192-185-2--(632.9CHI)