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Irrigation for the Willamette Valley
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Progress of irrigation research on Willamette Valley soils
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Progress of irrigation research on Willamette Valley soils
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Progress of irrigation research on Willamette Valley soils
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Progress of research on irrigation feasibility for Dayton, Amity, Woodburn, Willamette, and related soils of the Willamette Valley
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Supplemental irrigation for the Willamette Valley
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The McKenzie and Muddy creeks irrigation projects: a study of two irrigation projects in the Willamette Valley
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The value of supplemental irrigation in Willamette Valley
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Trends and anticipated changes in water-use practices for irrigation in the Willamette Valley