介绍了劣质土壤的种类有酸化、碱化、盐化、有机质含量降低、土壤微生物环境生态失衡、外因环境污染造成的6种,阐述了各种劣质土壤形成的原因、危害及防治措施。大量试验结果表明,应用“阔立”牌土壤改良系列产品可有效抑制、改良劣质土壤,对人类健康和农业可持续发展具有重大意义。 Six types of poor soil were introduced, including acidification, alkalization, salinization, reduction of organic matter content, imbalance of soil microbial ecology and external environment pollution, and the reasons, hazards and prevention measures of various inferior soil were introduced. A large number of test results show that the use of “Kau Li” brand soil improvement products can effectively inhibit and improve the poor soil, human health and sustainable development of agriculture of great significance.