Hodgson, J.M.
Control of certain ditchbank weeds on irrigation systems / J.M. Hodgson,V.F. Bruns, F.L. Timmons, W.O. Lee, L.W. Weldon & Others - Washington, D.C. : USDA , 1962 - 64p. : ill. ; 23 cm. - USDA production research report .
Irrigation systems
Irrigation
Agriculture
631.7 / US-3
Control of certain ditchbank weeds on irrigation systems / J.M. Hodgson,V.F. Bruns, F.L. Timmons, W.O. Lee, L.W. Weldon & Others - Washington, D.C. : USDA , 1962 - 64p. : ill. ; 23 cm. - USDA production research report .
Irrigation systems
Irrigation
Agriculture
631.7 / US-3