检索结果 - "soil"
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- Soil science 4
- Soils 3
- Soil conservation 2
- Agricultural evolution 1
- Arid regions 1
- Biotechnology 1
- Breeding 1
- Crop protection 1
- Land use 1
- Land use, Rural 1
- National parks and reserves 1
- Post harvest technologies 1
- Soil Science (General) 1
- Soil and plant nutrition 1
- Soil chemistry 1
- Soil classification 1
- Soil conservation projects evaluation 1
- Soil degradation 1
- Soil fertility 1
- Soil management 1
- Sustainable agriculture 1
- Water conservation 1
- Water conservation projects evaluation 1
- ecosystems 1
- environment 1
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Towards integrated soil fertility management in Tanzania : developing farmers' options and responsive policies in the context of prevailing agro-ecological, socio-economic and inst...
出版 2002主题: “...Soil fertility Tanzania....”
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Soil in the environment : crucible of terrestrial life /
出版 2008主题: “...Soil Science (General)...”
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Comparisons in resource management : six notable programs in other countries and their possible U.S. application
出版 2011主题: “...Soil conservation projects evaluation United States...”
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More people, less erosion : environmental recovery in Kenya /
出版 1994主题: “...Soil conservation Kenya Machakos (District)...”
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