| 000 | 00398cam a2200157 i 4500 | ||
|---|---|---|---|
| 020 | _a0121598500 | ||
| 040 | _cDLC | ||
| 082 | 0 | 0 | _a631 ACA 1980 A055 Or. |
| 245 | 0 | 4 | _aThe Biology of crop productivity / |
| 260 |
_aSan Francisco : _bAcademic Press, _c1980. |
||
| 300 |
_axvii, 471 p. : _bill. ; _c24 cm. |
||
| 650 | 0 | _aCrop yields. | |
| 650 | 0 | _aCrops | |
| 700 | 1 | _aCarlson, Peter S. | |
| 942 | _cEK | ||
| 999 |
_c15129 _d15129 |
||