000 | 00318 am a2200121 a 4500 | ||
---|---|---|---|
100 | 1 | _aHoward, A. | |
245 | 1 | _aSoil aeration in agriculture | |
260 |
_aCulcutta _c1916 |
||
300 | _a1-22 p. | ||
942 |
_2udc _cB |
||
440 | _aSoil, Agriculture Pusa Agricultural Research Institute. Bulletin No. 61 | ||
901 | _aS58524 | ||
999 |
_c101530 _d101530 |