000 00834nam a2200229u 4500
001 00635081
003 PWmBRO
008 830104s1980 sz a b 10010 eng
039 0 _a2
_b3
_c3
_d3
_e3
050 0 _aSB112.5
_b.I58 1980
082 0 _a631/.015811�19
090 _b631.015/811/I61p
111 3 0 _aInternational Potash Institute Colloquium
_n(15th :
_d1980 :
_cWageningen, Netherlands)
245 1 0 _aPhysiological aspects of crop productivity :
_bproceedings of the 15th Colloquium of the International Potash Institute held in Wageningen/The Netherlands, 1980.
260 0 _aWorblaufen-Bern, Switzerland :
_bInternational Potash Institute,
_c1980.
300 _a274 p. :
_bill.
650 0 _aCrops
_xPhysiology
650 0 _aCrop yields
710 2 0 _aInternational Potash Institute
942 _2ddc
994 0 1 _aT1001 043 583
999 _c36506
_d36506