FIELD: agriculture.
SUBSTANCE: method includes division of a protection area into three parts - a central one and two side ones, complete extermination of unwanted vegetation with herbicides in the central part and selective extermination of vegetation of accelerated and fast growth in side parts. Treatment of vegetation in the central part with herbicides is carried out by contact spraying with addition of encrusted seeds of permanent grasses into composition of the working herbicide solution. Seeds prior to incrustation are treated with a solution of salts with hygroscopic property.
EFFECT: method will make it possible to increase duration of time period between treatments in the central part of the protection area and to considerably reduce costs for maintenance of forest ranges in protection areas of air power transmission lines in normative condition.
