| 000 | 00372 a2200145 4500 | ||
|---|---|---|---|
| 245 | 1 | _aSources of nitrogen in crop production | |
| 260 |
_aRaleigh _c1952 |
||
| 650 | _aNitrogen | ||
| 650 | _aCrop Production | ||
| 100 | 1 |
_aTisdale, S.L. _d |
|
| 300 | _a63 p. | ||
| 440 |
_aNo. 96 _vCarolina, North Agricultural Experiment Station, Te |
||
| 942 |
_2udc _cB |
||
| 901 | _a36487 | ||
| 999 |
_c54333 _d54333 |
||