alexa Over-use Of Organic Fertilizers In Agriculture Could Poison Soils

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Over-use Of Organic Fertilizers In Agriculture Could Poison Soils

Although controlled amounts of organic residues, sewage sludge and animal waste are a good choice for soil fertilisation, they can have damaging effects on soil biota when applied in excessive doses. In an effort to prevent these toxic impacts on soil, a team of researchers from the UAB’s Centre for Ecological Research and Forestry Applications (CREAF) has carried out a test that sets the maximum safe doses for organic fertilisers. “We based this on bio-trials in the laboratory using soil-based organisms that are representative of agro-ecosystems, and which need to be protected: plants (Brassica rapa, Lolium perenne and Trifolium pratense), earthworms, annelids, collembola and micro-organisms,” the study’s lead author Xavier Domene told SINC.

 
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