| 000 | 00489nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a631.4 | ||
| 100 | _aRobinsoon,J.B.D. | ||
| 245 | 4 | _aThe soil nutrogen index and its calibration with crop performance to improve fertilizer efficiency on avable soils. | |
| 260 |
_aEngland _bCAB. _c1975 |
||
| 300 | _a53 | ||
| 653 | _aFertilizer | ||
| 653 | _aSoil Fertility | ||
| 653 | _aSoil Nutrogen | ||
| 653 | _aSoil Science | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c7354 _d7354 |
||