TY - BOOK AU - Nyvall, Robert F TI - Field crop disease handbook SN - 0442267223 AV - SB731 ,N98 1989 PY - 0000///26 cm CY - New York PB - Van Nostrand Reinhold KW - Field crops KW - Diseases and pests KW - Handbooks, mamnuals ,etc KW - Plant diseases KW - Handbooks manuals, etc KW - Phytopathogebic nicriorganisms KW - Control KW - Handbooks, manuals, etc N1 - "An AVI book; Includes bibliographical references and index ER -