New insecticides in grasshopper control /
Hinman, E. J
New insecticides in grasshopper control / E. J. Hinman, F. T. Cowan - Washington : Department of Agriculture - 21 p. - EUA. Depart. of Agriculture; E-722 .
203033
Alfalfa -- Plagas Control de plagas Insecticidas
New insecticides in grasshopper control / E. J. Hinman, F. T. Cowan - Washington : Department of Agriculture - 21 p. - EUA. Depart. of Agriculture; E-722 .
203033
Alfalfa -- Plagas Control de plagas Insecticidas
