Report on preliminary investigation on chemical weed control in Venezuela, 1951
Johnson, Frederick S.
Report on preliminary investigation on chemical weed control in Venezuela, 1951 - New York : IBEC Research Institute, 1954 - 20 p. : ilus - Bulletin ; 2 . - Bulletin ; 2 .
17285
Malas hierbas--Control.
Malas hierbas--Venezuela.
Report on preliminary investigation on chemical weed control in Venezuela, 1951 - New York : IBEC Research Institute, 1954 - 20 p. : ilus - Bulletin ; 2 . - Bulletin ; 2 .
17285
Malas hierbas--Control.
Malas hierbas--Venezuela.