Commercial fertilizers : their sources and use.

Bibliographic Details
Main Author:	Collings, Gilbeart H. (Gilbeart Hooper), 1895-1964
Format:	Book
Language:	English
Published:	Philadelphia, [publisher not identified] ; [1947]
Edition:	4th ed.
Series:	Blakiston books on agriculture.
Subjects:	Fertilizers.

Description
Physical Description:	xi, 522 pages : illustrations (part color) portraits maps. ; 24 cm
Bibliography:	Bibliography: pages 475-498.