00650nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002100102100003000123245015300153260003600306300002000342650003500362650002300397650002400420CHAP20220329140322.0971013s1950 r 00010 d a50316 a51288 a55438 cCHAP a631.42bP56 195000aPiper, Clarence Sherwood. aSoil and plant analysisb: a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants aNew York :bInterscience,c1950 a368 p.b: ilus.14aPlantasxAnálisis químico.14aQuímica vegetal.14aSuelosxAnálisis.