The objective of this study was to evaluate the soil losses. as well as carbon and chemical samples in runoff through areas of pine (Pinus taeda). eucalyptus (Eucalyptus dunni) and a consortium of pasture with oat (Avena stringosa) and ryegrass (Lolium multiflorium) in the Fragosos river basin. in Concordia. https://herbsdailyes.shop/product-category/pine-bark-extract-pycnogenol/