Dr. J. R. Cowan examining nine days regrowth on culture 237. Picture taken January 11, 1955. Plant was clipped on January 2. Dr. John Ritchie Cowan was a Professor of of Agronomy and Head of Agronomic Crop Science from 1948-1984.
Dr. J. R. Cowan examining nine days regrowth on culture 237. Picture taken January 11, 1955. Plant was clipped on January 2. Dr. John Ritchie Cowan was a Professor of of Agronomy and Head of Agronomic Crop Science from 1948-1984.
Dr. J. R. Cowan examining nine days regrowth on culture 237. Picture taken January 11, 1955. Plant was clipped on January 2. Dr. John Ritchie Cowan was a Professor of of Agronomy and Head of Agronomic Crop Science from 1948-1984.
