http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
4 unnumbered pages : illustrations ; 25 cm
Only pages [1] and [3] printed; pages [2] and [4] are blank.
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.
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].
London : International Superphosphate Manufacturers' Association.
Journal of the Department of Agriculture of Western Australia
Volume 14 (Second series), number 2 (June, 1937)
Leaflet (Western Australia. Department of Agriculture) ; no. 508