| 000 | 00431 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a631.51:633 _bS34 |
||
| 245 | 1 |
_aSoil tillage and crop production _cedited by R. Lal |
|
| 260 |
_aIbadan, Nigeria _bInternational Institute of Tropical Agriculture _c1979 |
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| 700 | _aLal, R., ed. | ||
| 440 |
_aNo.2 _vProceedings series |
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| 100 |
_a _d |
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| 300 | _a361p. | ||
| 040 | _aIARI, New Delhi | ||
| 901 | _a219494 | ||
| 999 |
_c91069 _d91069 |
||