Add to ORKG"In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station and Extension Service in Agriculture and Home Economics."Mode of access: Internet
University of Illinois bulletin, v. 45, no. 49."References": p. 32.Mode of access: Internet
In cooperation with Soil Conservation Service and the Iowa Agricultural and Home Economics Experimen...
"In cooperation with Illinois state natural history survey."Mode of access: Internet
"In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station...
"In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station...
"A contribution of the Central States Forest Experiment Station, Forest Service, U.S. Department of ...
"This information was gathered at the request of farm advisers to help them make better introduction...
At head of title: University of Illinios. Agricultural college and experiment station.Mode of access...
"Agricultural Experiment Stations of Alaska, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, M...
Mode of access: Internet.Issued in cooperation with the U.S. Dept. of Agriculture.No. 1-2 issued und...
"Conducted ... under contract with the Office of Information, USDA."Mode of access: Internet
"Agricultural Experiment Station of the University of Wisconsin, cooperating with U.S. Dept. of Agri...
"June 1938.""U.S. Dept. of Agriculture, Bureau of Agricultural Engineering, in cooperation with the ...
"Agricultural Experiment Stations of Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota,...
"Prepared in the Agricultural Research Service, United States Department of Agriculture."Mode of acc...
University of Illinois bulletin, v. 45, no. 49."References": p. 32.Mode of access: Internet
In cooperation with Soil Conservation Service and the Iowa Agricultural and Home Economics Experimen...
"In cooperation with Illinois state natural history survey."Mode of access: Internet
"In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station...
"In cooperation with University of Illinois. College of Agriculture. Agricultural Experiment Station...
"A contribution of the Central States Forest Experiment Station, Forest Service, U.S. Department of ...
"This information was gathered at the request of farm advisers to help them make better introduction...
At head of title: University of Illinios. Agricultural college and experiment station.Mode of access...
"Agricultural Experiment Stations of Alaska, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, M...
Mode of access: Internet.Issued in cooperation with the U.S. Dept. of Agriculture.No. 1-2 issued und...
"Conducted ... under contract with the Office of Information, USDA."Mode of access: Internet
"Agricultural Experiment Station of the University of Wisconsin, cooperating with U.S. Dept. of Agri...
"June 1938.""U.S. Dept. of Agriculture, Bureau of Agricultural Engineering, in cooperation with the ...
"Agricultural Experiment Stations of Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota,...
"Prepared in the Agricultural Research Service, United States Department of Agriculture."Mode of acc...
University of Illinois bulletin, v. 45, no. 49."References": p. 32.Mode of access: Internet
In cooperation with Soil Conservation Service and the Iowa Agricultural and Home Economics Experimen...
"In cooperation with Illinois state natural history survey."Mode of access: Internet