资源 标记: Farm Manure
2 条目已找到 (正在显示 1 - 2)
- Describes the physical and chemical processes leading to the production of biogases and describes procedures for constructing a digester to convert sewage and organic wastes to methane for use on farms and in homes
-
As conservation of natural resources and reduction of environmental pollution becomes daily more vital, the problems and potential values of livestock manures become increasingly more important to mankind. This publication presents an overview of the status of livestock manures, their...