Research applies in Aznalcóllar a way to activate soil contaminated by heavy metals so that it regenerates from worms, microorganisms and waste

Agriculture began in the Neolithic, but was based on much earlier raw materials

Research applies in Aznalcóllar a way to activate soil contaminated by heavy metals so that it regenerates from worms, microorganisms and waste

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Agriculture began in the Neolithic, but was based on much earlier raw materials

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