Author : Merlin Perry Jones
Publisher :
Page : 72 pages
File Size : 43,93 MB
Release : 1939
Category : 4-H clubs
ISBN :
This insect manual was prepared primarily for the use of 4-H club members, but it also may be useful to other groups of young people. Its purpose is to give a better understanding of insects and the principles underlying insect control.
Author :
Publisher :
Page : 24 pages
File Size : 25,46 MB
Release : 1956
Category : Entomology
ISBN :
Author :
Publisher :
Page : 24 pages
File Size : 39,61 MB
Release : 1966
Category : 4-H clubs
ISBN :
Author :
Publisher :
Page : 20 pages
File Size : 21,53 MB
Release : 1956
Category : Agriculture
ISBN :
Set includes revised editions of some issues.
Author : United States. Office of Cooperative Extension Work
Publisher :
Page : 354 pages
File Size : 11,7 MB
Release : 1929
Category : Agriculture
ISBN :
Author : Ruth Margaret Lohmann Smith
Publisher :
Page : 36 pages
File Size : 40,50 MB
Release : 1938
Category : Wildlife conservation
ISBN :
Author : United States. Superintendent of Documents
Publisher :
Page : 3208 pages
File Size : 27,68 MB
Release :
Category : Government publications
ISBN :
Author : United States. Superintendent of Documents
Publisher :
Page : 3208 pages
File Size : 16,21 MB
Release : 1896
Category : Government publications
ISBN :
Author : United States. Department of Agriculture
Publisher :
Page : 126 pages
File Size : 37,93 MB
Release : 1966
Category : Agriculture
ISBN :
Author :
Publisher :
Page : 230 pages
File Size : 12,73 MB
Release : 1932
Category : 4-H clubs
ISBN :
