00613cam a22002177a 4500003000500000005001700005008004100022010000900063011000900072035000900081040000900090082001500099110005700114245007400171260003900245300001900284490002600303650002000329650002000349830002600369CHAP20220329133045.0971013s1987            r     00010     d  a1694  a2666  a1861  cCHAP  a631.42bI5  aInternational Board for Soil Research and Management 0aLand development and management of acid soil in Africab: proceedings  aBangkok, Thailand :bIBSRAM,c1987  a183 p.b: ilus 0aIBSRAM proceedings, 414aSuelosxAcidez.14aSueloszAfrica.0 aIBSRAM proceedings, 4