在您的搜寻 主题建议
在您的搜寻 主题建议
Agriculture
4
Crops and climate
4
Climatic changes
3
Congresses
3
Crop improvement
3
Food supply
3
Plant breeding
3
Rice
3
Cropping systems
2
Crops
2
Economic aspects
2
Genetic engineering
2
Biotechnology
1
Breeding
1
Climatic factors
1
Crop diversification
1
Crop production
1
Crop yields
1
Crops Postharvest technology
1
Economics
1
Farms, Small
1
Field crops
1
Food
1
Food crops
1
Genetics
1
Irrigation
1
Irrigation farming
1
Management
1
Meteorology, Agricultural
1
Natural resources
1
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2由 Sholto Douglas, James, 1920-主题: “...Tree crops....”
出版 1984"Published [i.e. distributed] in the United States in 1985 by Westview Press...Boulder, Colorado."
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3出版 1978主题: “...Crops Postharvest technology....”
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6出版 1992主题: “...Tropical crops Biotechnology Congresses. 31278...”Revised papers from a Workshop on "Biotechnology--Enhancing Research on Tropical Crops in Africa" held in Ibadan, Nigeria, Nov. 26-30, 1990.
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7出版 1989主题: “...Crops and climate Congresses....”"CGIAR Information Service.
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11出版 1995主题: “...Crops and climate Congresses....”Papers from a symposium held Mar. 1994.
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13主题: “...Crops Genetic engineering....”
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14出版 1996主题: “...Crops and climate. 15292...”
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15主题: “...Plant breeding. Crops Dictionaries Genetics. 2358...”
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16出版 1995主题: “...Cropping systems Bangladesh....”
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19出版 1978主题: “...Food crops Postharvest losses Developing countries. 14198...”Text in English with summaries in French and Spanish.
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