Tar distillate emulsions for the control of the rosy aphid and other fruit insects
hartzell, F.Z., Parrott, P.J.
Tar distillate emulsions for the control of the rosy aphid and other fruit insects - Geneva 1933 - 1-29 p. - Insect, Fruit New York Agricultural Experiment Station. Bulletin No. 636 .
Tar distillate emulsions for the control of the rosy aphid and other fruit insects - Geneva 1933 - 1-29 p. - Insect, Fruit New York Agricultural Experiment Station. Bulletin No. 636 .