 |  | Abstracts on Sustainable Agriculture (GTZ, 1992, 423 p.) |
 |  | (introduction...) |
|  | Abstracts On Traditional Land-Use Systems |
| | Abstracts on farming systems research and development |
| | Abstracts on integrated systems |
| | Abstracts on cropping system |
| | Abstracts on agroecology |
| | Abstracts on agrometeorology |
| | Abstracts on agroforestry |
| | Abstracts on homegardens |
| | Abstracts on seed production |
| | Abstracts on plant protection |
| | Abstracts on water management |
| | Abstracts on soil fertility |
| | Abstracts on erosion and desertification control |
| | Abstracts on potential crops for marginal lands |
