2002. Healthy Soils are the foundation of healthy and productive forest ecosystems. Gary Schmitt, a soil scientist with the USDA Forest Service, presents an overview of forest soils. Topics include: the ingredients of healthy soils, the composition and formation of soils, soil as habitat for many species, and the effects forest management have on soil and forest health.
Medical Marijuana Snake Posted by MedicalMarijuanaNews on 2011-02-09 07:53:58 Tagged: , Medical , Marijuana