natural organic product, obtained from selected pine barks. It can be used with all sorts of plants and the results can be summarized in a prolonged protection from growth and development of weeds; a reduced resort to hoeing at the beginning and the end of season; the defence from frost, rains and heat thanks to the product thickness; the release of a high amount of organic substance to the soil when the bark is buried. Thanks to the totally natural origin of the product, the soil doesn't receive either toxic elements or pollutants, preserving its looseness instead.