D. S. Welch

Books by D. S. Welch

Total count: 6

• The relation of scientific research to the shade tree profession

  1932-01-01
• The Dutch elm disease

  New York State College of Agriculture at Cornell Univeristy1934-01-01
• Dutch elm disease control

  1945-01-01
• Apple-tree pruning woundsTreatment and healing in sound and winter-injured trees

  1945-01-01
• The Dutch elm disease in urban and forest areas

  1953-01-01
• Control of the Dutch elm disease in New York state

  1955-01-01