Sort: Relevance | Newest first | Oldest first | User rating


37 items found (Showing 1 - 10)
  1. Hydraulic ram water pumps use downhill water pressure to pump water much higher than it started, with no other power needed. A 20ft fall is enough to push water 150 feet above the source or more. Or as little as a 2ft fall between the water source and the pump at a flow rate of 1 to 3 gallons per...
  2. 2010-01-01 The purpose of this document is to show several water pump designs constructed from PVC pipe, explain how to manufacture them, and discuss pump performance and how to improve on these designs. What’s Inside: Pump Design Manufacturing Process Pump Performance Appendix
  3. 2015-10-06
  4. 2017-03-14 Cover crops play a key role in sustainable agriculture by providing sustainable sources of nutrients as well as protective soil cover to minimize erosion and reduce moisture stresses. Examples of successful cover cropping systems in East Africa will be illustrated as well as constraints and...
  5. You may already know that clean water is scarce in many parts of the world. But, did you know thatevery eight seconds a child dies from problems caused by drinking water that is contaminated and unsafe? You have found"A Layman's Guide to Clean Water": An introduction to water, sanitation, and...
  6. 1993-07-19 Wayne DeYoung in Haiti writes about a pump that he is sure will interest ournetwork. It was used in a water well project by Dan Cook and others in Haiti. Wayne believes that it has phenomenal value for many gardening situations along rivers or ponds or where a hand dug well is available. His...
  7. 2017-01-20 Esta publicación es el Capítulo 3 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. This section includes wells, boreholes, handpumps, animal powered pumps, and renewable energy powered pumps.
  9. Even though solar water pumping is ready for mainstreaming and has started to take off in some parts of the world, its benefits remain largely unknown to communities, governments, and development institutions. To address this knowledge gap, the World Bank has developedan accessible and...