000 | 00453 a2200157 4500 | ||
---|---|---|---|
082 |
_a631.558 _bPHY |
||
090 |
_c22015 _d34556 |
||
245 | _aPhysiological aspects of crop productivity | ||
260 |
_aSwitzerland _bInternational Potash Institute _c1980 _g1980 |
||
300 |
_a274p. _c23cm |
||
650 | _aYields | ||
650 | _aSpecific techniques:apparatus, equipment, materials | ||
650 | _aCultivation and harvesting | ||
650 | _aHarvesting | ||
942 | _cL | ||
999 |
_c49430 _d49430 |