Pacific Northwest Research Station

Publication Information

Title: Aerial spray adjuvants for herbicidal drift control.

Author: Gratkowski H.; Stewart R.

Date: 1973

Source: Gen. Tech. Rep. PNW-GTR-003. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 24 p

Station ID: GTR-PNW-003

Description: Increased public concern about pesticides requires that foresters reduce drift and insure precise application of herbicides to the areas requiring treatment. Drift control is necessary near waterways and other ecologically sensitive areas. This publication discusses available drift control adjuvants for herbicidal sprays. These include invert emulsions, thickening agents, particulating agents, and foam sprays. Commercially available adjuvants are described and their use, advantages, and disadvantages are discussed. Thickening agents and foam sprays show special promise for drift reduction in aerial application of herbicides on forest lands.

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Citation

Gratkowski H.; Stewart R.  1973.  Aerial spray adjuvants for herbicidal drift control.  Gen. Tech. Rep. PNW-GTR-003. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 24 p.