| 000 | 00491 a2200157 4500 | ||
|---|---|---|---|
| 020 | _a00851984371 | ||
| 080 |
_a631.452:631.8.003.12:518.5 _bC727C |
||
| 245 | 1 |
_aComputations for studies of soil fertility and fertilizer requirements _cby J.D. Colwell |
|
| 260 |
_aSlough _bCommonwealth Agricultural Bureaux _c1978 |
||
| 650 | _aSoil Fertility | ||
| 650 | _aFertilizer | ||
| 100 | 1 | _aColwell, J.D. | |
| 300 | _a297 p. | ||
| 040 | _aIARI, New Delhi | ||
| 901 | _a154449 | ||
| 999 |
_c80843 _d80843 |
||