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The techniques described in this booklet represent a first step toward low-technology environmental analysis. Six tests are described - soil pH, soil texture, percolation, dissolved minerals, sodium in water, and coliform bacteria.
31 pages, tables
出版物详细信息
- 出版者: Codel Environment and Development Program, and Office of Private and Voluntary Cooperation, U.S. AID
- Dewey Decimal: 631.4
- ECHO 图书馆: 631.4 COD