Experiments with sulphur sprays for the fall treatment of the San Jose scale /
Parrott, P. J.
Experiments with sulphur sprays for the fall treatment of the San Jose scale / P. J. Parrot, J. S. Houser - Wooster, Ohio : Agricultural Experiment Station - 13 p. - Ohio Agr. Exp. Sta. Bull; 144 .
Encuadernado con: The hessian fly in Ohio/C. E. Thorne
203803
Control de plagas Aspidiotus
PA-C 632.9 T4
Experiments with sulphur sprays for the fall treatment of the San Jose scale / P. J. Parrot, J. S. Houser - Wooster, Ohio : Agricultural Experiment Station - 13 p. - Ohio Agr. Exp. Sta. Bull; 144 .
Encuadernado con: The hessian fly in Ohio/C. E. Thorne
203803
Control de plagas Aspidiotus
PA-C 632.9 T4