1. 19.10.1995 The living mulch of Nepal Unexpected source of income - Niger Aggressive colonizers Initiatives to combat savannization and land degradation in Ghana Soil conservation and weed control Green manures - Brazil Cover crops - Honduras Weed management - trees- Kenya Labor issues - India The yield of...
  2. 01.05.1998 A Project Report presented to Cornell University 43 pages
  3. 01.01.1990 This IIED booklet draws conclusions on the relevance of development of small scale farmers' activities to restore soil and soil fertility in Hondurus.