The Punjab agriculture department has advised tunnel farmers to remain alert against attack of various insects and continue pest scouting of their crops twice in a week. Bamboo tunnels were useful for 3 to 4 years while iron or zinc pipe tunnel was useful for 15 to 18 years. He highlighted that the length of high tunnel was 200 feet while its width was 30 to 34 feet. “The height of medium tunnel was 10 feet from the sides but 13 feet in the middle. “Pipe bows were made six feet high and 12 feet wide.

Source: The Express Tribune November 11, 2020 04:41 UTC