Effects of intensive cropping systems and pesticides on nematode populations and crop yields
Effects of intensive cropping syst...........yields
Effects of intensive cropping systems and pesticides on nematode populations and crop yields - Washington United States Deprtment of Agriculture 1983 - 26cm. 36 - (Agricultural research service Agric................no.14) .
PLANT NEMATODES - - RESEARCH
CROP YIELDS - - RESEARCH CROPPING SYSTEMS PESTICIDES - - RESEARCH PLANT NEMATODES - - RESEARCH
632.651.3 E38
Effects of intensive cropping systems and pesticides on nematode populations and crop yields - Washington United States Deprtment of Agriculture 1983 - 26cm. 36 - (Agricultural research service Agric................no.14) .
PLANT NEMATODES - - RESEARCH
CROP YIELDS - - RESEARCH CROPPING SYSTEMS PESTICIDES - - RESEARCH PLANT NEMATODES - - RESEARCH
632.651.3 E38