1. This collection contains resources and photos from ECHO AsiaBiosand Water Filtration Workshops occuring on: 15 October and 22 October2021 18 March 2022
  2. 30/3/2017 Fabricación de ensilaje en Vichada Nota Técnica : Filtro de Agua Bioarena Del Banco de Semillas de Echo : El cacahuete forrajero Ecosde Nuestra Red: Perfil biográfico Adria y Job De Nuestro Equipo de Asesores Technicos: Cultivos forrajeros apropiados para suelos arcillosos
  3. 28/10/2014 Access to clean drinking water remains one of the greatest challenges in the world. The BioSand Filter is one method that can be used for purifying water at the household level. With this filter, contaminated water is filtered through a natural biological layer and then layers of sand, pebbles...