PROCESS FOR REGULATION OF GROWTH OF BUSH AND SHRUB IN CENTRAL RESERVATION OF MOTOR WAY

摘要

Growth of bushes, shrubs planted in central reservation lanes of motorways, is controlled by two annual spray applications of following chemicals and rates: 5-10 kg/ha maleic-acid-hydrazide potassium salt, or 1.5-3 kg/ha chloro-chotine-chloride, or 3-5 kg/ha succinic-acid-2,2-di:methyl-hydrazide. An additive comprising 70-80 %, by weight alkyl-aryl-polyethoxy-ethanol, free and combined fatty-acids, phosphoric acid and iso-propanol. the rate of additive usage is in each case: 0.1-1 kg/ha.