| 000 | 00376nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1975 xx 000 0 und d | ||
| 082 | _a631.42 ROB | ||
| 100 | _aRobinson J. B. D. | ||
| 245 | 4 | _aThe Soil Nitrogen Index and its calibration with crop performance to improve fertilizer efficiency on Arable Soisl | |
| 260 |
_bC.A.B. _c1975 |
||
| 300 | _a53 p. | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c574866 _d574866 |
||