Soil conservation

The role of tile drainage in soil and water quality improvement in fourth drainage project Iyyaz Hussain Bukhari 1998 Vetiver grass for soil and water conservation, land rehabilitation, and embankment stabilization compiled by the Vetiver Network ; edited by Richard Grimshaw and Larisa Helfer 1995 Watershed development in Asia John B. Doolette and William B. Magrath, editors 1990 Watershed development with special reference to soil and water conservation Gil, N. 1979 Who will be fed in the 21st century? edited by Nicole Ballenger, Keith Wiebe, and Per Pinstrup-Andersen 2001