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Agriculture
129
Agricultural extension work
93
Home economics extension work
60
Research
53
Statistics
46
Economic aspects
14
Farm management
12
Agricultural experiment stations
12
Experimentation
10
Community development
9
Agricultural estimating and reporting
9
Crops
9
Forests and forestry
9
Livestock
8
Agricultural research
7
Agricultural surveys
7
Economic conditions
7
Field crops
6
Meteorology, Agricultural
5
Food crops
5
Horticulture
5
Periodiques
5
Societies, etc
4
Botany
4
Crop yields
4
Farmers
4
Fisheries
4
Home economics, Rural
4
Study and teaching
3
Periodicals
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1出版 1938### CRL customization ### ?> ### Add publisher and desc details ### ?>São Paulo, Brasil : Secretaria da Agricultura, 1938-获取全文
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2Columbus, O., College of Agriculture, Ohio State University.v. illus. (incl. ports.) diagrs. 27-28 cm.
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3出版 1980### CRL customization ### ?> ### Add publisher and desc details ### ?>Washington, D.C. (1818 H St., N.W., Washington 20433) : CGIAR, 1980.vii, 50 p., [2] leaves of plates : col. ill. ; 25 cm.
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4出版 1925### CRL customization ### ?> ### Add publisher and desc details ### ?>Des Moines : State of Iowa, [1925-1959]35 v. : ill. ; 23 cm.
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5出版 1921### CRL customization ### ?> ### Add publisher and desc details ### ?>Ames, Iowa : The Dept., 1921.25 no. : ill. ; 22 cm.
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6出版 1925### CRL customization ### ?> ### Add publisher and desc details ### ?>Honolulu : Published by the University of Hawaii, 1925-1930.7 v. : ill. ; 23-28 cm.
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7出版 1992### CRL customization ### ?> ### Add publisher and desc details ### ?>Ames, Iowa : Iowa State University of Science and Technology, [-1992]v. ; 28 cm.
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8出版 1887### CRL customization ### ?> ### Add publisher and desc details ### ?>Gainesville : The Station, 1887-1896.v. : ill. ; 23 cm.
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9出版 1936### CRL customization ### ?> ### Add publisher and desc details ### ?>Ames, Ia. : Agricultural Experiment Station, 1936-1957.19 v. : ill. ; 28 cm.
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10出版 1940### CRL customization ### ?> ### Add publisher and desc details ### ?>Bozeman, Mont. : Montana State College, Agricultural Experiment Station, 1940-41.7 v. ; 28 cm.
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11Ames, Agricultural Extension Service, Iowa State College.15 v. maps, tables. 28 cm.
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12由 Matheson, H. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版 1978Jakarta, Indonesia : Directorate General of Transmigration, Ministry of Manpower, Transmigration and Co-operatives, [1978]43 leaves. -
13Banda Aceh : Departemen Pertanian Kantor Wilayah Departemen Pertanian Daerah Istimewa Aceh,v. ; 32 cm.
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14[Wellington] : The Division,v. : ill. ; 30 cm.
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15出版 1939### CRL customization ### ?> ### Add publisher and desc details ### ?>London : H.M.S.O., 1939-v. : ill. ; 25 cm.
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16[Bucuresti] : Ministerul Agriculturii, Industriei Alimentare si Apelor.15 v. 24 cm.
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17出版 1939### CRL customization ### ?> ### Add publisher and desc details ### ?>Bombay : The Dept., [1939]-1952.v. ; 25 cm.
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18出版 1977### CRL customization ### ?> ### Add publisher and desc details ### ?>[Banjarbaru] : Kerja sama antara Kantor Wilayah Direktorat Jenderal Transmigrasi Propinsi Dati I Kalimantan Selatan dengan Fakultas Pertanian, Universitas Lambung Mangkurat, 1977.xxi, 303 leaves : 9 col. maps (in portfolio) ; 29 cm.
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19出版 1852### CRL customization ### ?> ### Add publisher and desc details ### ?>[Wisconsin : s.n.], 1852-34 v. : ill. ; 23 cm.Also issued online.
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20Pelotas, Instituto de Pesquisa Agropecuária do Sul.23 v. ill. 23 cm.