English (en) | Change Language
  1. This booklet is an evaluation of conservation tillage practices in low rain fall areas of Ethiopida in the 2014 cropping season.
  2. 2003-01-01 Working paper no. 16 83 pages, illustrated, photos
  3. 1984-06-01 FAO of the United Nations has as its objective to present the principles and practices of tillage systems for sustained food production and to create an awareness of the need to conserve the world's soil, water and energy resources for future generations.