CROP LOSS ASSESSMENT METHODS/
CROP LOSS ASSESSMENT METHODS/ FAO MANUAL ON THE EVALUATION AND PREVENTION OF LOSSESS BY PESTS, DISEASE AND WEEDS
CHIARAPPA, L.
- 1971
- xx,84pgs:
includes plates
SB 601.C7 / 1216
includes plates
SB 601.C7 / 1216