| 000 | 00412 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aReed, Howard S., Williams, Bruce | |
| 245 | 1 | _aEffect of some organic soil constituents upon nitrogen fixation by azotobacter | |
| 260 |
_aMontgomery _c1915 |
||
| 300 | _a81-95 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aOrganic, Soil, Nitrogen Virginia Agricultural Experiment Station. Technical Bulletin No. 4 | ||
| 901 | _aS48020 | ||
| 999 |
_c103962 _d103962 |
||