| 000 | 00338 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aLewin, C.J. | |
| 245 | 1 | _aMaintenance of soil fertility in southern nigeria | |
| 260 |
_aNigeria _c1973 |
||
| 300 | _a4-43 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSoil, Fertility Nigeria Agricultural Department. Special Bulletin No.3 | ||
| 901 | _aS58020 | ||
| 999 |
_c100807 _d100807 |
||