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marshall j english
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Irrigation systems for the 21st century
Larry G. James, Marshall J. English · ASCE
768 sayfa · 1987
Irrigation / Congresses / Irrigation engineering
Irrigation management practices checklist for Oregon
Marshall J. English · Oregon State University Extension Service
46 sayfa · 1996
Irrigation / Management / Bibliography
Effects of irrigation frequency on crop yields
Marshall J. English · Agricultural Engineering Department, Oregon State University
70 sayfa · 1984
Crops and water / Irrigation efficiency / Crop yields