Author
Colorado Agricultural College. Extension Service
56
Colorado A & M College. Extension Service
21
Southwest Missouri State University. State Fruit Experiment Station
16
Colorado State College (Fort Collins, Colo.). Extension Service
15
South Dakota Agricultural Experiment Station
7
Indian Council of Agricultural Research
6
Wetzel, Carolyn F.
5
Arkansas Agricultural Experiment Station
3
Colorado Agricultural Experiment Station
3
Great Western Sugar Company
3
Iowa State University. Cooperative Extension Service
3
Missouri State Fruit Experiment Station
3
New Mexico College of Agriculture and Mechanic Arts. Agricultural Extension Service
3
United States. Department of Agriculture
3
Argentina. Ministerio de Agricultura
2
Dharmadhikari, Murli R.
2
Future Farmers of America. Kansas Association
2
Idaho Agricultural Experiment Station
2
Iowa Agriculture and Home Economics Experiment Station
2
Iowa State College. Agricultural Experiment Station
2
Iowa State College. Agricultural and Home Economics Experiment Station
2
Iowa State University. Agricultural and Home Economics Experiment Station
2
Jotwani, M. G., 1926-
2
Madras (India : State). Department of Fisheries
2
Missouri State University. State Fruit Experiment Station
2
Missouri. Grape and Wine Program
2
Moore, James F., Jr
2
National Conference on State Parks
2
North Dakota Agricultural Experiment Station (Fargo)
2
Ohio Agricultural Experiment Station
2
Ohio State University. Department of Agricultural Economics and Rural Sociology
2
Peterson, David
2
Purdue University. Department of Agricultural Extension
2
Rubber Research Institute of Malaya
2
Universidad de la República (Uruguay). Facultad de Agronomía
2
Vsesoi︠u︡znyĭ institut rastenievodstva (Soviet Union)
2
Aflalo, Frederick G. (Frederick George), 1870-1918
1
Akademii︠a︡ nauk SSSR
1
Akademii︠a︡i fanḣoi RSS Tojikiston
1
Albright, Madeleine Korbel
1
Algeria
1
Allen, A. B. (Anthony Benezet), 1802-1892
1
American Cane Growers' Association
1
American Farm Bureau Federation
1
American Institute in the City of New York
1
American Institute of the City of New York
1
Argentina. Dirección de Sanidad Animal
1
Association amicale des fonctionnaires des Services agricoles et des Services commerciaux de l'Indochine
1
Bansil, P. C.
1
Barrett, J. O. (Joseph Osgood), 1823-1898
1
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