| 000 | 00565 a2200193 4500 | ||
|---|---|---|---|
| 082 |
_a631.451 _bWIJ |
||
| 090 |
_c21854 _d34233 |
||
| 100 | _aWijewardene, Ray | ||
| 245 |
_aSystems,techniques & tools conservation farming _bfor small farmers in the humid tropics |
||
| 260 |
_aColombo _bMarga publications |
||
| 300 |
_av,38p. _c29cm |
||
| 650 | _aAgriculture and related technologies | ||
| 650 | _aConservation tillage | ||
| 650 | _aSoil erosion | ||
| 650 | _aSoil science | ||
| 650 | _aSpecific techniques | ||
| 700 | _aWaidyanatha, Parakrama | ||
| 942 | _csc | ||
| 999 |
_c49286 _d49286 |
||