Dit Book bestaat niet in uw taal, Bekijk in: English (en),
Of gebruik Google Translate:  

This book may no longer be available in print.

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

Publication Details

  • Publisher: Codel Environment and Development Program, and Office of Private and Voluntary Cooperation, U.S. AID
  • Dewey Decimal: 631.4
  • ECHO Library: 631.4 COD