The pH scale.

Bibliographic Details
Corporate Author:	Western Australia. Department of Agriculture
Format:	Book Chapter
Language:	English
Published:	Perth : Fred. Wm. Simpson, Government Printer, [1937]
Series:	Leaflet (Western Australia. Department of Agriculture) ; no. 508.
Subjects:	Hydrogen-ion concentration > Pictorial works. Soil acidity > Pictorial works. Crops and soils > Pictorial works.

Description
Item Description:	Cover title. Only pages [1] and [3] printed; pages [2] and [4] are blank. Imprint from colophon. Reprinted from "Journal of the Department of Agriculture of Western Australia," Vol. XIV. (Second Series), No. 2, June, 1937, page 135*. At head of title: Western Australia. Department of Agriculture. 1937. "e 2042." Diagram reproduced from "Superphosphate," Vol. X. No. 1, January, 1937."--Page [3] "In the diagram, ... the pH scale is represented in the form of a thermometer, and the ranges of soil reaction, or pH value, in which 56 crops appear to thrive best, are given."--page [3].
Physical Description:	4 unnumbered pages : illustrations ; 25 cm
ISSN:	1032-3023