Studies on the control of cabbage caterpillars with derris in the south Reid, W.J. creator Bare, C.O. Re..., L.B. Smith, C.E. text xx Washington, D.C Agricultural Experiment Station of Louisiana and South Carolina 1942 monographic und
print
26 p. by W.J. Reid... [and others] Encuadernado con: Orchard insects of the pacific northwest and their control / by E.J. Newcomer Col enfermedades Col plagas Derris como insecticidas Insecticidas efecto en plantas PA-C 634 N4 1933 Circular; 615 199564 220125 Para_2202