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商丘县大吴庄大队是一个低洼品涝的老盐碱地区,共有4,800亩土地,其中不同程度的花碱地占60%。这个大队从1965年开始,连年用夏季深耕,随即播种田菁,于种麦前掩青的方法改良花碱地,取得良好效果,原有近千亩的重盐碱地经过用机引犁深耕60厘米,配合种植绿肥等农业措施,基本上都变成了好地。比如,安庄生产队有一块面积40多亩的臭碱地(苏打偏多的碱地),巳弃耕40多年,自1965年深耕之后,未施农家肥,每年一茬
The Da Wuzhuang Brigade in Shangqiu County is an old salinization area with low-lying waterlogging. It has a total area of 4,800 mu, of which 60% is of different degree. Since 1965, this brigade has practiced plowing in summer and successive planting of Sesbania sinensis, and improved the method of spermicide in front of the mung bean. It achieved good results. The original nearly one-thousand-acre heavy saline-alkali soil was plowed for 60 centimeters , With the planting of green manure and other agricultural measures, basically have become good. For example, Anzhuang production team has an area of ?? 40 acres of smelly (soda Alkali too much), have abandoned farming for more than 40 years, since deep plowing in 1965, no manure, the annual crop