Browsing Oklahoma Agricultural Experiment Station by Author "Campbell, John D."
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Oklahoma Agricultural Experiment Station, Bulletin no. 324, October 1948: Oklahoma farmers' experience with cotton strippers
Campbell, John D. (Oklahoma Agricultural Experiment Station, 1948-10) -
Oklahoma Agricultural Experiment Station, Bulletin no. 357, September 1950: Effects of auxiliary gin equipment on grades of cotton; Western Oklahoma, 1947 and 1948
Campbell, John D. (Oklahoma Agricultural Experiment Station, 1950-09) -
Oklahoma Agricultural Experiment Station, Bulletin no. 364, April 1951: Economic aspects of machine harvesting cotton in Oklahoma; The present costs, and future prospects
Campbell, John D. (Oklahoma Agricultural Experiment Station, 1951-04) -
Oklahoma Agricultural Experiment Station, Bulletin no. 386, September 1952: One-variety cotton in Oklahoma
Campbell, John D. (Oklahoma Agricultural Experiment Station, 1952-09)