Browsing Agricultural Experiment Station -- Station Circulars by Author "Dykstra, Theodore P. (Theodore Peter), 1896-1979"

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Potato diseases in Oregon and their control

McKay, M. B. (Marion Bertice), 1887-; Dykstra, Theodore P. (Theodore Peter), 1896-1979; Oregon State Agricultural College. Agricultural Experiment Station ([Corvallis, Or.] : Agricultural Experiment Station, Oregon State Agricultural College, 1930-02)
Potato diseases in Oregon and their control

McKay, M. B. (Marion Bertice), 1887-; Dykstra, Theodore P. (Theodore Peter), 1896-1979; Oregon State College. Agricultural Experiment Station ([Corvallis, Or.] : Oregon State System of Higher Education, Agricultural Experiment Station, Oregon State College, 1938-05)