1. The result of several symposia held at the American Society of Agronomy and Soil Science Society of America annual meetings in Cincinnati, Ohio, November 1993, this volume brings together the latest ideas and knowledge for improving nutrient recommendations, examining the prospects of improving...
  2. Abstract, PLoS One, 2017 Sustainability of maize-based cropping systems is a major challenge for southern Africa, yet the demand for maize as staple food and animal feed in the region continues to increase. A study was conducted on a sandy clay loam (220 g clay kg-1soil) at Domboshawa in Zimbabwe...
  3. Ressource principale
    01/01/2014 Pour obtenir une productivité agricole élevée dans les tropiques au meilleur coût économique et écologique, il faut bien comprendre le rapport entre les nutriments présents dans le sol et la productivité des cultures. Pour ce faire, il nous faut remettre en question certaines idées reçues. La...
  4. 01/12/2001 2 volumes Part I, Research publications in international journals Part 2, Reviews
  5. 01/06/2011 13 pages, illustrated African Organic Agriculture Manual Booklet Series, no. 2
  6. 01/01/2004 Notebook, various page numbers, illustrated
  7. 01/01/1995 32 pages, illustrated
  8. 01/01/1996 Agrodok 2 27 pages, tables
  9. 01/10/2000 64 pages, illustrated, photos Policy and Best Practice Document 7
  10. 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.