Guidelines for the chemical control of plant diseases and nematodes
U. S. Department of Agriculture
Guidelines for the chemical control of plant diseases and nematodes - Washington 1974 - 26cm. v. p. - Its Agriculture handbook, no. 378 .
PEST CONTROL
PEST CONTROL PESTICIDES
632.95 U-4G
Guidelines for the chemical control of plant diseases and nematodes - Washington 1974 - 26cm. v. p. - Its Agriculture handbook, no. 378 .
PEST CONTROL
PEST CONTROL PESTICIDES
632.95 U-4G