यो Video आफ्नो भाषा मा अवस्थित छैन, हेर्नुहोस्: Kreyòl Ayisyen (ht),
अथवा गुगल अनुवाद प्रयोग:  

Warm Heart Worldwide

Published on Jan 20, 2017

We've conducted a series of interviews with the farmers who tested biochar in their rice field. Here are their thoughts about biochar.