资源 标记: Biochar
66 条目已找到 (正在显示 1 - 10) 下一个
-
- 2022-09-24 We are pleased to invite you totheBiochar Production Workshop on Saturday, September 24th, and theBiosand Water Filtration Workshop the following Saturday, October 1st. We recommend you consider attending both of these two workshopstogether, as biochar is needed for the water filtration...
-
-
-
-
-
- This collection contains resources and photos from ECHO AsiaBiosand Water Filtration Workshops occuring on: 15 October and 22 October2021 18 March 2022
- This collection contains resources and photos from the ECHO AsiaBiochar Workshops on 17 and 23 September 2021
-