80年代以来,随着地下水开发利用的强化,地下水位持续下降,井灌区土壤次生盐碱化逐步蔓延。为使这一问题免遭忽视,笔者对馆陶县的次生盐碱问题进行了调查研究,渴望引起有关方面的重视。1 土壤盐碱化的概念 常识告诉我们,土壤中含可溶性盐碱超过一定限度,就会影响植物和农作物的正常生长,而盐碱化严重的土壤则寸草不生,形成荒漠。土壤盐碱化根据 Since the 1980s, with the enhancement of groundwater exploitation and utilization, the groundwater level has been declining continuously, and the secondary salinization of soil in well irrigation areas has been gradually spreading. In order to avoid this problem from neglect, the author conducted a survey on the secondary saline-alkali problem in Guantao County, aiming to arouse the attention of relevant parties. 1 The concept of soil salinization common sense tells us that the soil containing soluble salt exceeds a certain limit, it will affect the normal growth of plants and crops, while the soil salinization is serious, the formation of deserts. Soil salinization according to