Preliminary tests of plant materials as insecticides
Publisher: U.S. Department of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine
Published: 1950
Place of publication: Washington, D.C.
Language: eng
Number of pages: 34
Subjects: Biological insecticides--Testing; Insect pests.
Description: <a href="uf.jsp?st=UF005563819&ix=pm&I=0&V=D&pm=1" rel="nofollow">uf.jsp?st=UF005563819&ix=pm&I=0&V=D&pm=1</a>