Brown spot needle disease
Subtitle: biology and control in Scotch pine plantations
By: Darroll D. Skilling & Thomas H. Nicholls.
Contributors: Nicholls, Thomas H.; North Central Forest Experiment Station (Saint Paul, Minn.)
Series: USDA Forest Service research paper NC -- 109.
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1974
Place of publication: [Saint Paul, Minn.]
Language: eng
Number of pages: 19
Subjects: Scotch pine -- Diseases and pests.
Notes: Cover title.

Bibliography: p. 19.

Also issued online.