| 000 | 00385 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aNoll, C.F., Gardner, F.D., Irvin, C.J. | |
| 245 | 1 | _aField test of different sources of phosphorus | |
| 260 |
_aPennsylvania _c1930 |
||
| 300 | _a1-14 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aField, Sources, Phosphorus Pennsylvania Agricultural Experiment Station. Bulletin No. 252 | ||
| 901 | _aS47915 | ||
| 999 |
_c103896 _d103896 |
||