1. This book includes question and answers, activity guides and a listing of resoures in regards to soil erosion.
  2. 01.01.2002 This book includes question and answers on how to improve and maintain tropical soil fertility. It also includes activity guides and a resource listing.
  3. The mission of The Vetiver Network International (TVNI) is to promote the worldwide use of the Vetiver System (VS) for a sustainable environment particularly in relation to land and water. Enhanced by photo galleries, this site offers a wealth of information with regard to vetiver applications...
  4. A brief video ofChris McDonoughdescribing the issues of soil erosion in black cracking clay soils in Tanzania, showing the importance of conservation farming techniques to help overcome this.