Pesticides and appliances :Farm bulletin No. 64
"Mehta, P.R. and Verma, B.K."
Pesticides and appliances :Farm bulletin No. 64 - 1961 F.I.U. Directorate of Extn.Min. of F.& Agric. New Delhi - 113
632.95 K1
Pesticides and appliances :Farm bulletin No. 64 - 1961 F.I.U. Directorate of Extn.Min. of F.& Agric. New Delhi - 113
632.95 K1


