无产阶级文化大革命以来,我省黄泛平原地区,通过大力疏浚河道,发展井灌等水利建设,地下水位普遍下降,大部分次生盐碱地基本消迹.沿黄两侧洼涝碱地,也有了淤灌稻改的高产途径.一般花碱地如何改良?仍是平原低产区急待解决的一个问题. 商丘县大吴庄大队,原是一个老盐碱重灾队。盐碱地占总耕地面积的60％以上,另有碱荒四百多亩.自一九六五年“农业学大寨”以来,自力更生,奋发图强,在努力改 Since the Great Proletarian Cultural Revolution, the Yellow River Floodplain in our province has greatly reduced the water table by vigorously dredging river courses and developing irrigation works such as well irrigation. Most of the secondary saline-alkali lands have basically disappeared. Irrigated rice to change the high-yielding ways. How to improve the general soda? Still plains low yield area an urgent problem to be solved. Shangqiu County Wuzhuang brigade, was originally an old saline-alkali disaster relief team. Saline and alkali land accounts for more than 60% of the total arable land, and another alkali shortage of four hundred acres. Since 1965, “Agriculture Studies Dazhai” since self-reliance and work hard to change