... insoluble in hydrocarbons. TECH is corrosive to common metals and offer no corrosion in diluted condition .Its preparation is made ... Broad-spectrum,non-selective contact herbicide for control of weeds and grasses in fruit orchards(including citrus),plantation crops, vines, ... olives, tea, leeks, sugar beet, asparagus and ornamental trees, etc. Also used for general weed control on ...