Agronomic Zones for the Dryland Pacific Northwest

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Date
1990-09Author
Douglas, C. L.
Wysocki, Donald John, 1952-
Zuzel, J. F.
Rickman, R. W.
Klepper, B. L.
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Prepared by an interdisciplinary task force from each state and keyed to Idaho, eastern Oregon, and eastern Washington this publication explains the defining criteria [annual precipitation, soil depth, and growing degree days] plus descriptions of these agronomic zones. A very readable table as well as a color coded tri-state map are included as guides. 8 pages.