Long-term activity of social insects responsible for the physical fertility of soils in the tropics
Ary Bruand,
Adriana Reatto,
Michel Brossard
et al.
Abstract:Ferralsols correspond to the red and yellow soils that are common in the tropics. They are deeply weathered but physical fertility is high because they exhibit a strong microgranular structure whose origin is still actively debated. In the present study, we looked for evidence of the biological origin of the structure resulting from soil fauna activity. We present results recorded with Brazilian Ferralsols developed under native vegetation. It was found that the Ferralsols studied exhibit morphological feature… Show more
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