Degraded molecules of chitin/chitosan exist in soil and water. Chitosan applications for plants and crops are regulated by the EPA, and the USDA National Organic Program regulates its use on organic certified farms and crops. Por lo tanto, sólo basta con aprender del chitosan como tomarlo para conseguir que haga http://chitosan50370.bleepblogs.com/5021326/chitosan-una-visión-general