This paper gives a broad outline of selected methods and processes, and describes the tools and equipment required: it indicates how improvements can gradually be obtained, and how, with the use of locally constructed and inexpensive equipment, programs can be implemented, particularly in countries with prevailing subtropical and tropical climatic conditions.
出版物详细信息
- 出版者: FAO
- ISBN-10: 9251004552
- ISBN-13: 978-9251004555
- Dewey Decimal: 604.6
- ECHO 图书馆: 604.6 FAO