The goal of Open Access Soil Science is to provide instructors with the resources they need to effectively teach the world about soils and soil science.. The soil science resources made available on this website are open access, and in some cases, open-source. All materials are licensed under a Creative Commons BY-NC-SA 4.0 International License unless stated otherwise. Please use what you would like. Also, please note that this site is under development, so come back often as we post new materials, and incorporate new features and community involvement into this endeavor.