Aerial application equipment for herbicidal drift reduction
By: R.E. Stewart, H. Gratkowski.
Contributors: Gratkowski, H.; Pacific Northwest Forest and Experiment Station (Portland, Or.)
Series: General technical report PNW -- 54.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1976
Place of publication: Portland Or
Language: eng
Number of pages: 21
Subjects: United States. -- Forest Service; Aerial spraying and dusting in agriculture -- United States; Helicopters; Herbicides; Spraying equipment
Notes: Cover title.

Bibliography: p. 20-21.