Determination of the PH value of sludge, soil, mud and sediment ; and, Lime requirement of soil (1977 version) / Standing Committee of Analysts - London : H. M. S. O., 1978 - 11 p. ; 30 cm. - Methods for the examination of waters and associated materials 0141-075x .

Text on inside back cover. - Pierced for binder

0117512524


Soil acidity--Measurement--Standards
Liming of soils--Standards