Insectucides
Maxwell-Lefroy, H.
Insectucides Mixtures and recipes for use against insects in the field, the orchard, the garden and the house - Calcutta 1912 - 1-27 p. - Pusa Agricultural Research Institute. Bulletin No. 23 .
Insectucides Mixtures and recipes for use against insects in the field, the orchard, the garden and the house - Calcutta 1912 - 1-27 p. - Pusa Agricultural Research Institute. Bulletin No. 23 .