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

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