1. Access Agriculture Training Video Soils that are depleted or heavily leached are often acidic. Soils can also become acidic from the high use of chemical fertilizers. Acidic soil inhibits the bacteria that help organic matter to decompose. Acidic soil makes some nutrients less available to crops....
  2. 19/10/1997 Rebuilding lost soil fertility A tool for quantitative farm analysis Intensification of swidden agriculture in the Philippines Poor soils need organic matter Indigenous green manure in Nepal New Kekulam Recycling household waste in Egypt Biomass transfer
  3. 1/10/2005 La mayoría de los cultivos en los trópicos de tierras bajas se desarrollan mejor con una sombra del 10 al 15 por ciento, la cual puede ser obtenida sembrando árboles cada 10 o 15 metros en todas las direcciones. Muchos pequeños productores ya utilizan esta técnica, especialmente en el sureste de...
  4. 20/1/2005 Maradi Integrated me ha forzado a cuestionar la sabiduría de suponer que los incrementos de contenido orgánico y fertilidad son siempre lo mejor.
  5. 20/7/2005 Joel Matthewsreceived some feedbackabout his comments on low fertility soil and traditional varieties in EDN 86. In response, he sent the following additional comment.