滴灌最严重的问题是滴头堵塞,国外解决滴头堵塞有两种方法:一是矫正那些易堵塞的老旧滴头和管道;二是预防新滴头和管道被堵塞。采用矫正方法时,可在旧管道水中加入稀硫酸,使水的PH值达到20,在加硫酸的同时,加入亚氯酸盐溶液,使水中氯的浓度达到100PPM,1PPM氯相当于在7500加仑水中加28.35克氯。加酸是为了 The most serious problem of drip irrigation is the dripper plugging. There are two ways to solve the drip plugging in foreign countries: one is to rectify those old dripper and pipelines that are easy to plug; the other is to prevent the new dripper and pipe from being blocked. The use of straightening method, you can add dilute sulfuric acid in the old pipe water, the water PH value of 20, adding sulfuric acid at the same time, adding chlorite solution, the concentration of chlorine in water to 100PPM, 1PPM chlorine equivalent to 7500 gallons Add 28.35 grams of chlorine to the water. Acid is added