| 000 | 00426nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 140317s9999 xx 000 0 und d | ||
| 082 | _a630 | ||
| 100 | _aInternational Potash Institute. | ||
| 245 | _aAgricultural yield potentials in continental climates. | ||
| 260 |
_aBern _bIPI _c1981 |
||
| 300 | _a295 | ||
| 650 | _aAgriculture | ||
| 653 | _aAgricultural Yield Potentials. | ||
| 653 | _aAgriculture | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c12525 _d12525 |
||