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Monthly Archives : November 2012


Impact of agriculture on the Si biogeochemical cycle

We present here new evidence that the exportation of straw can lead to the depletion of the soil phytoliths pool in 10 years. In order to maintain the current levels of Si in crops, the contribution of other soil silicates such as clay minerals to the phytoavailable silica pool may become a key parameter, when straw is exported.

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