Dry-Farming (Large Print Edition)
ISBN-10:
0554222280
ISBN-13:
9780554222288
Author(s): Widtsoe A.M. Ph. D, John Andreas
Edition: Large type / large print edition
Description:
Nearly six tenths of the earth's land surface receive an annual rainfall of less than twenty inches and can be reclaimed for agricultural purposes only by irrigation and dry-farming.
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