Books by Edwards, C. A.
Vermiculture technology
Biology and ecology of earthworms
Report of the second stage in
Report of the second stage in development of a standardized Laboratory method for assessingthe toxicity of chemical substances to earthworms
Environmental pollution by pesticides
CRC persistent pesticides in t
CRC persistent pesticides in the environment
The principles of agricultural
The principles of agricultural entomology [by] C.A. Edwards and G.W. Heath