| 000 | 00407nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aHobbs, J.A., Brown, P.L. | ||
| 245 | _aEffects of cropping and management on nitrogen and organic carbon content of a w | ||
| 260 | _aKansas | ||
| 260 | _c1965 | ||
| 300 | _a38 p. | ||
| 440 | _aNo. 144; Kansas Agricultural E | ||
| 901 | _pS13384 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c121135 _d121135 |
||