 | Sustainable Management of Soil Resources in the Humid Tropics (UNU, 1995, 146 pages) |
 |  | III. TRF in the humid tropics and its conversion |
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| Sustainable Management of Soil Resources in the Humid Tropics (UNU, 1995, 146 pages) |
| | III. TRF in the humid tropics and its conversion |
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|
|
|
|