Throughout this handbook, supplemental information and weblinks to helpful guides, manuals, and websites and are provided. For the benefit of the offline user, the underlying web address of all hyperlinks not spelled out in the text is provided in the References section by the corresponding reference number (e.g., hyperlink1 would appear in the references section as: 1. Webpage name. http://www.examplewebURL.com).
The concepts and suggestions in this handbook come from many sources and are based on the field experiences and research of practitioners, NRCS agents and scientists, as well as published technical guides, program-specific literature, and scholarly literature. For simplicity, all references from all chapters are listed together in Appendix A.