Organic carbon enables the biotic engineering of beneficial soil structure in Profundihumic and Haplic Ferralsols
Pedro Martinez,
Rebecca A. Lybrand,
Karis J. McFarlane
et al.
Abstract:We investigated how organic matter may, directly and indirectly, modify the porosity of Ferralsols, that is, deeply weathered soils of the tropics and subtropics. Although empirical and anecdotal evidence suggests that organic matter accumulation may increase porosity, a mechanistic understanding of the processes underlying this beneficial effect is lacking, especially so for Ferralsols. To achieve our end, we leveraged the fact that the Profundihumic qualifier of Ferralsols (PF) is distinguished from Haplic F… Show more
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