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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.

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