Chemical control of several problem annual weeds of cropland
Chandler, J.M., Santelmann, P.W.
Chemical control of several problem annual weeds of cropland - Oklahoma 1970 - 19 p. - No. B-674; Oklahoma Agricultur .
Chemical control of several problem annual weeds of cropland - Oklahoma 1970 - 19 p. - No. B-674; Oklahoma Agricultur .