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  1. 2004-04-20 Terra preta is very productive soil with long-lasting fertility—unusual in the tropics, where most soils are very weathered, highly acidic, and low in organic matter and essential nutrients. The key to terra preta soils long-term fertility seems to be charcoal; terra preta contains up to 70 times...  
  2. 2013-07-20 ECHO Asia --The latest issue of Asia Notes (Issue 17, May 2013) contains the following articles: Sustainable Decentralized Water Treatment for Rural Developing Communities Using Locally Generated Biochar Adsorbents (by Josh Kearns, MS) An Introduction to Bokashi Fertilizers and Soil Amendments...  
  3. 2020-01-27 ECHO’s 26th Annual International Agriculture Conference was held in November 2019. Below are brief summaries of a few of the plenary sessions and workshops. These and other talks, video, and slide presentations are available on ECHOcommunity.org.  
  4. 2019-04-04 ORGANIC INPUTS TRAINING การอบรมเกษตรอินทรีย Thursday 4 April 2019 9am-12pm วันพฤหัสที 4 เมษายน 2019 เวลา 9.00-12.00 น. ECHO Asia Small Farm Resource Center & Seed Bank ณ ศูนยการเรียนรู และธนาคารเมลดพันธุ มูลนิธิเอคโค เอเชีย ประเทศไทย San Pa Pao, San Sai, Chiang Mai, Thailand ต.สันปาเปา...  
  5. 2021-09-17  

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