00626nam a22002177a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093100002400102245004600126260005400172300002200226490003600248650002300284650002200307710004300329830003600372CHAP20220329140446.0971013s1977    ph a    r     00010 eng d  a52275  a53247  a57397  cCHAP00aPonnamperuma, F. N.1 aBehavior of minor elements in paddy soils  aManila :bInternational Research Institute,c1977  a15 p.b: gráfs.  aIRRI research paper seriesv; 814aElementos menores.14aSuelos arroceros.0 aInternational Rice Research Institute.0 aIRRI research paper seriesv; 8