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Crop Investigations on Sandy Lands

Allen W. EdsonArthur J. SchwantesCharles Elson LivelyE. C. JohnsonR. FenstermacherTroy Mansell CurrenceWalter William WilcoxGeorge Augustus PondAndrew Boss

出版	University Farm, 1932
URL	http://books.google.com.hk/books?id=gxpRAQAAMAAJ&hl=&source=gbs_api