Tác giả
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South Dakota Agricultural Experiment Station
7
State Horticultural Association of Pennsylvania
7
United States. Department of Agriculture
7
Wyższa Szkoła Rolnicza w Olsztynie
7
Akademia Rolnicza we Wrocławiu
6
American Forestry Association
6
American Hampshire Sheep Association
6
American National Live Stock Association
6
Animal Health Trust
6
Civilian Conservation Corps (U.S.). Company 3888
6
Japan. Nōgyō Kairyōkyoku
6
Na︠t︡sionalen agrarno-promishlen sŭ︠i︡uz (Bulgaria)
6
Nōrinshō Nōgyō Gijutsu Kenkyūjo (Japan)
6
Punjab (India). Dept. of Agriculture
6
Rajasthan (India). Paśu Pālana Vibhāga
6
Royal Horticultural Society (Great Britain)
6
Sweden. Lantbruksstyrelsen
6
Szkoła Główna Gospodarstwa Wiejskiego w Warszawie
6
Vseso︠i︡uznyĭ institut zashchity rasteniĭ (Soviet Union)
6
Wisconsin Butter Makers' Association
6
Wisconsin State Horticultural Society
6
Agricultural Research Communication Centre (India)
5
Aichi-ken Nōgyō Sōgō Shikenjō
5
American Pomological Society
5
American Veterinary Medical Association
5
Assam (India). Dept. of Agriculture
5
Bihar (India). Forest Dept
5
Bāṃlādeśa Kr̥shi Gabeshaṇā Kāunsila
5
Central Inland Fisheries Research Institute (Barrackpore, India)
5
Centro de Investigaciones Agrícolas del Noroeste (Mexico)
5
Centro de Investigaciones Pesqueras (Cuba)
5
Ceylon. Dept. of Agriculture
5
Cornell University. Agricultural Experiment Station
5
Deutsche Landwirtschafts-Gesellschaft
5
Farmer's wife
5
Food and Agriculture Organization of the United Nations
5
Forest Research Institute (Bangladesh)
5
Forest Research Institute and Colleges
5
Hawaii. Dept. of Agriculture
5
Holstein-Friesian Association of America
5
Household Finance Corporation
5
India. Dept. of Agriculture
5
India. Ministry of Food and Agriculture
5
Indian Agricultural Research Institute
5
Indian Agricultural Statistics Research Institute
5
Indonesia. Bagian Statistik Pertanian Tanaman Pangan
5
Instytut Ochrony Roślin
5
Iowa Agriculture and Home Economics Experiment Station
5
Iowa State College. Agricultural Experiment Station
5
Iowa State College. Agricultural and Home Economics Experiment Station
5
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