西安市郊区广大贫下中农已在二十多种作物上进行了应用“九二○”农药的科学实验,并初步看到了增产效果。一、处理棉籽可提前三天出苗,棉苗整齐、茁壮; 二、处理红薯秧苗,扎根早、缓苗快,成活率高,拉蔓早; 三、处理马铃薯切块(或作整体喷雾),出苗早,苗壮,生长整齐,开花期提前四天,结薯早; The vast majority of poor and middle peasants in the suburbs of Xi’an City have conducted scientific experiments on pesticides applied to more than 20 kinds of crops on the basis of more than 20 kinds of crops and initially saw the yield-increasing effect. First, the treatment of cottonseed can be three days in advance emergence, cotton seedlings neat, robust; Second, deal with sweet potato seedlings, rooted early, Huanmiao fast, high survival rate, pull Manzao; Third, deal with the potato cut (or as a whole spray) Emergence early, strong seedlings, tidy growth, flowering four days in advance, tuber early;