1960
DOI: 10.1590/s0006-87051960000100022
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Técnica para o estudo da estabilidade de agregados do solo

Abstract: Os autores apresentam neste trabalho uma técnica para o estudo da estabilidade de agregados do solo. Vários tipos de solo sob diferentes condições de uso foram estudados. Amostras em triplicato, de 25 g de agregados entre 7 e 4 mm, foram agitados em agitador modêlo Wagner, com 40 r.p.m., durante 1, 2, 4, 8, 16, 32, 64 e 128 minutos e depois fracionadas pelo método da peneiragem lenta em água. Os agregados > 2 mm diminuíram em pêso com o aumento do tempo de agitação, aumentando por outro lodo os agregados &l… Show more

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“…The determination of the stability of the aggregates was conducted at Laboratory of Pedology of the Faculty of Philosophy, Letters and Human Sciences of the University of São Paulo. The methodology used was adapted from Grohmann (1960), and enabled the evaluation of the stability of soil aggregates by sifting with water.…”
Section: Sampling Soil Fertilitymentioning
confidence: 99%
“…The determination of the stability of the aggregates was conducted at Laboratory of Pedology of the Faculty of Philosophy, Letters and Human Sciences of the University of São Paulo. The methodology used was adapted from Grohmann (1960), and enabled the evaluation of the stability of soil aggregates by sifting with water.…”
Section: Sampling Soil Fertilitymentioning
confidence: 99%