1-5 of 5 Books

Natural and engineered pest management agents
By Conference on Natural and Derived Pest Management Agents (1992 Snowbird, Utah)
Bacillus subtilis souche MBI 600
Bacillus subtilis souche MBI 600
By Agence de réglementation de la lutte antiparasitaire (Canada)

Tuning to the Soil-ed Seed Vibrations For Our Collective Health
By Irucka Ajani Embry

A digest of the literature of derris (deguelia) species used as insecticides, 1747-1931
By R. C. Roark