compiled by the Agricultural Research Service and the Federal Extension Service, U.S. Dept. of Agriculture in cooperation with the agricultural engineering departments and the cooperative extension services in agriculture and home economics at the following colleges and universities : Alabama Polytechnic Institute ... [and others]
Date
1956
Series
Miscellaneous publication (United States. Department of Agriculture) ; no. 724
compiled by the Agricultural Research Service and the Federal Extension Service, U.S. Dept. of Agriculture, in cooperation with the agricultural engineering departments and the cooperative extension services in agriculture and home economics ... colleges and universities ... in the southern region
Date
1955
Series
Agriculture handbook (United States. Department of Agriculture) ; no. 90