1942
DOI: 10.1590/s0006-87051942000900003
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Determinação do valor t-s na terra roxa legítima e a aplicação da fórmula Vageler

Abstract: The present work is a study of Vageler's formula y =x.S/ x+y.S for the determination of the final value of the reaction of the cation change in the sorptive complex of the soil. The author took the changeable H+ of the soil as a cation to be examined. Samples studied by the author belong to a chain (a series of soil profiles with 5 horizons each) taken from the original red soil ("terra roxa") of the Ribeirão-Preto Experiment Station. In these samples, as a rule, H+ changed could be co… Show more

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