TY - RE AU - Norton,D. AU - Becker,B. AU - Bird,G.W. AU - Ferris,J.M. AU - Ferris,V.R. AU - Jacobsen,B. TI - Nematodes: The hidden enemy in corn PY - 1979/// CY - Philadelphia, PA (USA) PB - Agri-Fieldman and Consultant, KW - Nematode control KW - Zea mays KW - AGROVOC ER -