Influence of free iron oxides and organic matter on water retention by soil

Grohmann, Francisco; Camargo, Otávio Antônio de

doi:10.1590/S0006-87051973000100010

Brasil

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• Bragantia 32 (unico) • 1973 • https://doi.org/10.1590/S0006-87051973000100010 linkcopy

Influence of free iron oxides and organic matter on water retention by soil

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Good correlations between specific surface area and hygroscopic water were found for original soil, soil without organic matter and soil without organic matter and iron oxides. Free iron oxides, in a general way, increased water retention while organic matter decreased it.

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