00629nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002300102245005000125260004700175300001000222490005300232650003000285650002300315650002000338830005300358CHAP20220817042231.0971013s1975            r     00010     d  a38285  a39257  a43377  cCHAP00aPearson, Robert W.  aSoil acidity and liming in the humid tropical  aIthaca, N. Y. :bCornell University,c1975  a66 p.  aCornell International Agriculture Bulletinv; 3014aCalcioxEfecto en suelos.14aSuelos tropicales.14aSuelosxAcidez.0 aCornell International Agriculture Bulletinv; 30