TY - BOOK AU - Lawrence,John M. TI - Aquatic herbicide data T2 - Agriculture handbook / United States Department of Agriculture AV - SB611 .L3 PY - 1962/// CY - Washington, D.C. PB - Agricultural Research Service, U.S. Dept of Agriculture] KW - Aquatic weeds KW - Control KW - Herbicides KW - Testing N1 - Bibliography: 126-133 ER -