00514nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100001800117245006400135260005400199300002000253650002300273650002400296CHAP20220329140400.0971013s1971 r 00010 d a51178 a52150 a56300 cCHAP a631.42bW300aWalsh, Leo M. aInstrumental methods for analysis of soils and plant tissue aMadison :bSoil Science Society of America,c1971 a222 p.b: ilus.14aQuímica vegetal.14aSuelosxAnálisis.