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18 items found (Showing 11 - 18)
  1. 2001-01-01 There are many variations of sawdust cookstoves that have been used for many years both in North America and around the world. This sawdust cookstove model provides a low-cost, low-input method for producing a high intensity flame that will burn for up to five hours. The flame burns fairly clean...  
  2. Access Agriculture Training Video In the semi-arid savannas where rainfall is limited and highly unpredictable, retaining more water in the soil can make the difference between a poor and a good harvest. You can slow down the runoff water by establishing contour bunds. Contour bunds are permanent...  
  3. 2016-10-18 Bamboo’s reputation is largely based upon intrinsic peculiarities of certain varieties. The plant can grow a meter a day and is the staple diet for giant pandas; though a grass, it can grow to 30 meters tall with hollow wooden stems which are stronger than steel; and bamboo has a reproductive...  
  4. 2016-10-18 Cory Thede, working on the north coast of Haiti, sent a note about a local chaya plant with a lower branch that mutated to a wild stinging type. He commented, “After I backed up against it, it gave me an itchy rash on my arm for about a week. The upper branch is regular and almost spineless.” He...  
  5. 2001-01-01 When organic material decomposes under anaerobic conditions, it produces biogas which is a mixture of methane (CH4) and carbon dioxide (CO2) with small quantities of hydrogen, nitrogen, carbon monoxide and other compounds. Biogas can be used as a fuel source for cooking, heating, producing light...  
  6. 2021-07-06 One of the most critical decisions a farmer makes during a growing season is how to effectively control pests to preserve the productivity and economic value of a crop. A farmer’s reaction to seeing pests in their crops or grain is to intervene to protect his or her livelihood. The first two...  
  7. 2018-07-18 Recently, ECHO Community member Brad Ward asked on our online forum about metal silo construction. “I'm going to be building a 3.5 cubic meter metal silo. I have come across a couple of good resources online that cover the topic pretty well, but I would love to hear from those of you who have...  
  8. 2018-04-27 Fall armyworm (Spodoptera frugiperda) is a common pest in the Western Hemisphere affecting many commercial crops, most importantly maize. This voracious Lepidoptera (grouping of insects that includes butterflies and moths) was first detected in Central and Western Africa in 2016 and has quickly...  

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