00425nam a2200157 a 450000100080000000500110000800800410001910000140006024500670007426000540014130000110019565000140020665000140022065300150023465300180024918994122011-09-02       2007    bl uuuu      00u1 u    #d1 aMAGEN, H.  aPotassium and magnesiumbadvances in research and application.  aInternational Potash Institute: Switzerlandc2007  a281 p.  amagnesium  apotassium  aAbubação  aFertilizantes