1. Key Resource
    2014-01-01 In order to achieve high levels of agricultural productivity in the tropics at the lowest possible economic and ecological costs, we need to properly understand the relationship between nutrients in the soil and crop productivity. For this to happen, the current understanding needs to change. The...
  2. 2001-12-01 2 volumes Part I, Research publications in international journals Part 2, Reviews
  3. 2011-06-01 13 pages, illustrated African Organic Agriculture Manual Booklet Series, no. 2
  4. 2004-01-01 Notebook, various page numbers, illustrated
  5. 1995-01-01 32 pages, illustrated
  6. 1996-01-01 Agrodok 2 27 pages, tables
  7. 2000-10-01 64 pages, illustrated, photos Policy and Best Practice Document 7
  8. 1990-01-01 This IIED booklet draws conclusions on the relevance of development of small scale farmers' activities to restore soil and soil fertility in Hondurus.
  9. 1980-01-01 This book explains how "any soil can be cultivated and any plants grown, a garden in which no treatment of any kind, prevention or curative will be applied, considering as we do that a treated soil or plant is incapable of producing a sturday lineage." It also contains information on producing...
  10. Sustainability of agricultural systems is a major global concern due to population growth and a number of environmental factors. This book addresses the key to the development of sustainable agriculture-management of soil fertility. Combining data from temperate and tropical regions, it presents...