1. 1998-01-01 *Disponible solo en español. Esta colección de 6 libros incluye información sobre: Plantaciones de arboles Bloques Nutricionales Manejo Integrado de Plagas Biodigestor Abonos Organicos Manejo seguro de plauicidas
  2. 2002-01-01 Modalidades de los Servicios que prestan IDEAS a traves del Sub programa de Agricultura Sostenible. Desarrollo de un Plan Completo de Capacitacion. Se trata del desarrollo de modulos teoricos - practicos que se lleva a cabo en las instalaciones de la Escuela Campesina de Agricultura Sostenible,...
  3. 2005-03-20 Energy use in agriculture Planting to catch more sunlight Biodigesters in ecological farming systems Biogas in Uganda Improving organic fertilizers Saving energy with better tools Biogas production with guinea pig manure Improving traditional water mills Clean energy for chilling milk Passive...
  4. 1985-01-01 Every farmer and gardener realizes that plants receive some of their substance from the soil. Just how much plants depend on soil fertility is not always obvious, however, because so many other factors also influence plant growth--water, sunlight, pests, and plant variety (genetics). In regions...