| 000 | 00352 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aMcKee, Roland | |
| 245 | 1 | _aSummer crops for green manure and soil improvement | |
| 260 |
_aWashington _c1935 |
||
| 300 | _a1-16 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aCrop, Soil United States Department of Agriculture. Farmers' Bulletin No. 1750 | ||
| 901 | _aS48546 | ||
| 999 |
_c104582 _d104582 |
||