Coco peat and biochar are good alternatives for peat in potting soil : researchers and producers search for new raw materials, In Greenhouses (2016)5, p.54-55, 2016-05-27, Jojanneke Rodenburg, http://edepot.wur.nl/382948
Most potting soils contain a large amount of peat. But clearly a turning point has been reached. More and more often growers, customers and consumers are asking for peat-free mixtures. The reasons are the large amount of CO2 that is released during the excavation of peat and the loss of ancient wetlands. This was one of the reasons to start searching for new raw materials for potting soils. A lot of experience has already been gained with coco peat, and biochar, which appears to offer added value, has the potential to become a key ingredient.
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