Plant protection
P.R. Mehta
Plant protection - New Delhi Information Unit directorate of Extension Ministry of Food Agriculture Community Development 1968 - 587p
P.R. Mehta & B.K. Varma: Plant protection. New Delhi. Information Unit directorate of Extension Ministry of Food Agriculture Community Development, 1968.--(632.9MEH)
ENGLISH
632.9 / MEH
Plant protection - New Delhi Information Unit directorate of Extension Ministry of Food Agriculture Community Development 1968 - 587p
P.R. Mehta & B.K. Varma: Plant protection. New Delhi. Information Unit directorate of Extension Ministry of Food Agriculture Community Development, 1968.--(632.9MEH)
ENGLISH
632.9 / MEH