1. 20 មករា 2002 The conventional view of the relationship between soil nutrients and crop productivity in the tropics is leading to both damaging agricultural policies and inefficient and damaging farm-level practices. There is no need to use the huge quantities of chemical fertilizers that are so often...
  2. 20 មេសា 2004 Terra preta is very productive soil with long-lasting fertility—unusual in the tropics, where most soils are very weathered, highly acidic, and low in organic matter and essential nutrients. The key to terra preta soils long-term fertility seems to be charcoal; terra preta contains up to 70 times...
  3. 20 កក្កដា 2007 This article takes a fresh look at what is going on in the soil, especially in relation to soil organic matter and the organisms it supports; how this life in the soil is impacted by our land care practices; and how it in turn impacts the productivity of our farms.
  4. 01 តុលា 2005 One of the most important things a farmer can do for his farm is to prevent soil erosion. One way to do so is by keeping soil covered, especially during the rainy season. Vegetative cover and high levels of soil organic matter are key. Below is a brief description of several vegetative or...
  5. 01 កក្កដា 2004 We read an article in Appropriate Technology (Volume 28, No. 3; July/September 2001) about farmers in Niger who used bottle caps to distribute tiny amounts of fertilizer. Despite drought conditions, farmers who used this technique harvested 50 to 100 percent more millet than those who did not.
  6. 20 កក្កដា 2008 CHOfarm manager Danny Blank says that the principles in EDN 96 “revolutionized the way I look at the land and understand the impact agriculture practices have on the overall health of soils.”
  7. 20 មករា 2017 Esta publicación es el Capítulo 2 de Opciones para los agricultores de pequeña escala es un libro lleno de opciones prácticas para aquellos que trabajan para ayudar a los agricultores a pequeña escala y jardineros urbanos en los trópicos y subtrópicos, muchos que luchan para producir suficiente...
  8. 20 មករា 2017 Cette publication est le chapitre 2 de livre Options agricoles pour les agriculteurs de petite echelle est un livre rempli d'options pratiques pour ceux qui travaillent pour aider les petits agriculteurs et les jardiniers urbains dans les régions tropicales et subtropicales, dont beaucoup ont du...
  9. 01 សីហា 2017 The decline or even loss of soil fertility is the major challenge faced by more and more farmers around the world in general and especially those in sub-Saharan Africa. Many causes, mainly anthropogenic, are at the origin of this situation. Despite the massive use of chemical fertilizers through...
  10. Agroecology is a holistic approach to farming which takes into account social, environmental, and health concerns of food production. A long-term participatory research project with smallholder farmers in Malawi and Tanzania using agroecology will be discussed. In this research project, farmers...