山东省约有盐碱耕地一千三百七十万亩,其中鲁北内陆地区约占60%,由于旱、涝、盐瘦的影响,农业生产长期低而不稳。中国农业科学院土壤肥料研究所,针对这种情况,于1974年组织了二十多人,因地制宜地展开了综合治理的研究,在禹城南北庄、陵县丁庄、平原三唐建立起三种不同类型的盐碱地实验区,取得了可喜成 Shandong Province has about 13.7 million mu of saline-alkali soil arable land, of which about 60% is inland areas of northern Shandong. Due to the effects of drought, floods and salt lean, the agricultural production has been low and unstable for a long time. Soil and Fertilizer Institute of Chinese Academy of Agricultural Sciences, in response to this situation, in 1974 organized more than 20 people, according to local conditions to start a comprehensive management of research, Yucheng Nanbei Zhuang, Lingxian Dingzhuang, plain three Tang established three different Types of saline-alkali experimental area, made gratifying