| 000 | 00366nam a2200157Ia 4500 | ||
|---|---|---|---|
| 020 | _a0121598500 | ||
| 082 | _a629/CAR | ||
| 100 | _aCarlson, Peter S., ed. | ||
| 245 | 4 | _aThe biology of crop productivity | |
| 260 |
_bAcademic Press _aNew York _c1980 |
||
| 300 | _a471 | ||
| 650 | _aCrop yields | ||
| 650 | _aCrops--Physiology | ||
| 901 | _a1697 | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c1497 _d1497 |
||