Este Collection no existe en su idioma, Ver en: English,
O usar Google Translate:  

Appropriate Technology Technical Notes describe simple, small-scale technologies aimed at improving people's access to food, water, and shelter. Each document introduces and explains the general concept behind the technological solution, some even include instructions of how to construct your own.



  1. Recurso clave
    1/1/2002 Seed storage is often a problem in the tropics. However, if seeds can be properly dried, they will remain viable for a longer period of time. The seed drying cabinet described here can help improve the viability of seeds in storage. What’s Inside: Introduction Description Diagram Observations...
  2. 1/1/2002 This simple forage cutter provides a mechanism to chop tough grasses or other forages to make them more palatable and digestible for livestock. This results in more efficient food conversion for animals and reduced wastage. It can also be used to chop materials for compost, silage, vermiculture,...
  3. 1/1/2010 Cite this article as: Longenecker, J. 2010. Treadle Grindstone.ECHO Technical Noteno. 62.
  4. 1/1/2006 El Nivel A es una herramienta sencilla pero exacta para medir y construir curvas de nivel en una ladera o pendiente. Es útil para el establecimiento básico de sistemas agrícolas en laderas, tales como los sistemas S.A.L.T. (Tecnología de Pendientes en Tierras Agrícolas), así como también para...
  5. Recurso clave
    1/1/2011 Una presa de arena es una pared de concreto reforzado construida a través de un río estacional para captar y contener el agua subterránea en la arena. Primero se construye un metro de alto y hasta 90 metros a través. Durante lluvias estacionales erráticas y fuertes, agua y limo fluyen sobre la...
  6. Recurso clave
    17/5/2018 Muchas plantas consideradas invaluables para el pequeño productor ofrecen alimento nutritivo para la familia, forraje para los animales o madera para la construcción. ¡De manera notable, el bambú ofrece todas estas tres ventajas en una sola planta perenne! Esta Nota Técnica se centrará en cómo...
  7. 1/1/2003 Although this document will tell you how to build a particular incubator that I have used for several years, the ideas presented here should assist in building an incubator of any capacity. The orientation here is toward solving the problems in building a kerosene fired incubator in general....
  8. 1/1/2010 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.
  9. 1/1/2000 Briquettes made from materials that cost little or no money to obtain, such as old newspaper or unutilized plant waste, can be a cost-effective alternate fuel to charcoal or firewood. This could alleviate the harsh pressures put on many forests for providing enough fuel energy to meet people’s...
  10. 1/1/2002 A composting toilet is any system that converts human waste into compost through the natural breakdown of organic matter. The photo above shows a composting toilet from the late 1800’s. Composting toilets provide a sanitary method to recycle human waste while conserving water and protecting the...
  11. 1/1/2003 Rope can be made from cord or string or even discarded plastic bags using a simple spindle to twist the materials together. Cite this article as: Forst, C. and L. Stoll 2003. Rope Maker. ECHO Technical Note no. 49.
  12. Recurso clave
    5/2/2016 Hasta hace poco, la leña no era apreciada en el norte de Tailandia. Con bosques grandes llenos de muchos tipos de árboles, familias en las tierras altas podían escoger la madera que usaban para leña en la cocina. Sin embargo, en años recientes, más y más comunidades están encontrándose con acceso...
  13. Recurso clave
    1/1/2001 El acceso a agua potable continúa siendo uno de los más grandes retos en el mundo. El Filtro BioArena es un método que puede utilizarse para purificar agua en el ámbito doméstico. Con este filtro, el agua contaminada es filtrada a través de una capa biológica natural y luego capas de arena fina,...
  14. 1/1/2001 This simple device provides a method of manually producing bales of hay. Small-scale farmers may be interested in this technology because hay is both easier to store and easier to transport when it has been baled. Also, baled hay retains a higher nutrient content than hay that has been cut and...
  15. 1/9/1998 Many families in the tropics must assume a major role in production of their own foodstuffs. Incomes are so low that purchase of food competes with purchase of necessary items that cannot be hand-made. Most governments in the tropics do not have the resources to guarantee even minimum food to all...
  16. Recurso clave 1/1/2001 Often the biggest challenge faced by a tropical farmer is not in the production of a crop but rather in the preservation of the crop. Farmers may want to preserve a crop for future consumption or for sale at a time when the market will offer a higher price. Using a solar dehydrator is a simple,...
  17. Recurso clave
    1/1/1991 There are several reasons for establishing fences on the small farm. Fences are used to: To mark boundary lines between farms or next to roads. To separate adjacent fields used for distinct purposes To protect and keep animals from straying To protect crops from animal damage A fence represents...
  18. 1/1/2001 Existen muchas variaciones de estufas de aserrín que han sido utilizadas durante años tanto en Norteamérica como en el resto del mundo. Estos modelos de estufas ofrecen un método de bajo costo y pocos insumos para producir una llama de alta intensidad que puede arder por hasta cinco horas...

More Related Resources

Libros

Find books about Appropriate Technology Tech Notes