在“农业学大寨”的群众运动中,上海郊区广大干部和贫下中农,大搞科学实验,改革蕃茄栽培技术,采取矮架密植的方法,即增加密度和提早摘头(封顶),增产效果显著,每亩可增产一至四成,采收期集中,生育期缩短20天左右,便于安排茬口,并有利于提高插种作物的产量。现根据嘉定县长征公社 In the mass movement of “learning from agriculture in Dazhai”, a large number of cadres in the suburbs of Shanghai and poor and middle peasants took part in scientific experiments, reforming tomato cultivation techniques and adopting the method of short frame and close planting, that is, increasing the density and removing the head (cap) earlier to increase the yield Significantly, one to four percent can be increased per acre. The harvesting period is concentrated, and the growth period is shortened by about 20 days, which is convenient for arranging stubbles and helps to increase the yield of the intercropping crops. According to Jiading County Long March commune