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1984年以来,上海郊区试验推广了多品种的蔬菜专用复肥及相应的深施技术,颇受郊区广大群众欢迎。与单一化肥和习惯施肥法(大粪+氮化肥)比较,亩产可增16.5～19.5％,还有明显的省工省肥效果。1986年已在全市菜区推广应用10万亩以上。 1987年由上海长征化工厂、上海市农科院土肥所和上海市农资公司联合开发的蔬菜专用肥全年销售量1万余吨,已普及上海主要蔬菜区。为进一步
Since 1984, the suburban area in Shanghai has popularized a large variety of vegetable special compound fertilizers and corresponding deep-application technologies, which are popular with the masses in the suburbs. Compared with single fertilizers and conventional fertilizers (excrement + nitrogen fertilizer), the yield per mu increases by 16.5% to 19.5%. 1986 has been in the city’s vegetable area to promote the use of more than 10 acres. In 1987, the annual sales volume of vegetable special fertilizers jointly developed by Shanghai Changzheng Chemical Factory, Shanghai Municipal Academy of Agricultural Sciences, Soil and Fertilizer Institute and Shanghai Agricultural Company was more than 10,000 tons. It has popularized the major vegetable areas in Shanghai. For further