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Elements of the Nature and Properties of ...
by Weil, Ray R.; Brady, Nyle C.
ISBN: 9780133254594
Copyright:
Hardcover
Soil Organic Matter in Sustainable ...
by Magdoff, Fred; Weil, Ray R.
ISBN: 9780367394233
Paperback
Introductory Soils
by Weil, Ray R.
ISBN: 9781524928421