00419nam a2200169 a 450000100080000000500110000800800410001910000180006024500550007826000340013330000080016765300130017565300160018865300100020470000160021470000190023011101682000-09-19       1987    bl uuuu     u0uu1 u    #d1 aBORKERT, C.M.  aConsideracoes sobre o uso de gesso na agricultura.  aLondrina: Embrapa-CNPSoc1987  a5p.  aADUBACAO  aAGRICULTURA  aGESSO1 aPAVAN, M.A.1 aLANTMANN, A.F.