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| 公开/私有: | 公开 私有 |
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| 公开/私有: | 公开 私有 |
检索词:
Humus
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隐藏分类导航
- humus (8)
- congresses (3)
- soils (2)
- boden (1)
- chemistry, organic (1)
- fertilizers (1)
- manures (1)
- nitrogen content (1)
- organic farming (1)
- pflanzen (1)
- physikalisch-chemische eigenschaft (1)
- plant-soil relationships (1)
- radioisotopes (1)
- research (1)
- soil (1)
- soil biochemistry (1)
- soil chemistry (1)
- soil fertility (1)
- soil productivity (1)
- soil science (1)
主题
- 之江馆文学艺术阅览区 (1)
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著者:
jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations
in co-operation with Agrochimica
and held in Braunschweig
6-10 September 1976.
出版社:
International Atomic Energy Agency ;
出版日期: 1977.
文献类型:
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