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Biological Insecticides--Testing
4 books found
Preliminary tests of plant materials as insecticides
by United States.: Bureau of Entomology and Plant Quarantine
1950
1 ed.
Preliminary tests of some hydrazides and hydrazones as insec...
by United States.: Bureau of Entomology and Plant Quarantine
1951
1 ed.
Laboratory tests of some organic compounds as insecticides
by United States.: Bureau of Entomology and Plant Quarantine
1953
1 ed.
Preliminary tests of some esters of acetic acid as insectici...
by United States.: Bureau of Entomology and Plant Quarantine
1953
1 ed.