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紫色土以其形态上特有的紫色而区别于其他任何土壤,以2000多万公顷的面积广泛分布于我国南部15个省(区),以其丰富的矿质营养为农林牧业发展提供了良好的土壤条件。紫色土是我国重要的土壤资源,这类土壤在国外任何土壤分类中都没有。 在著名土壤学家候光炯院士、张先婉和李仲明教授等老一辈土壤学家的指导下,在原中国科学院成都分院土壤研究室的组织下,在前人工作基础上,于1991年出版了第一部论述紫色土的专著——《中国紫色土(上篇)》,开始了紫色土研究的新阶段。在此基础上,在中国科学院成都山地灾害与环境研究所何毓蓉研究员的领导下,与有关单位团结协作,经过10年努力,出版了《中国紫色土(下篇)》,这是上篇的继续,也是上篇的发展。该书有如下特点:
Purple soil is distinguished from any other soil by its unique purple color. It is widely distributed in 15 provinces (regions) in southern China with an area of over 20 million hectares. With its rich mineral nutrition, it provides a good Soil conditions. Purple soil is an important soil resource in our country. There is no such soil in any soil classification abroad. Under the guidance of the forerunner pedologists such as the famous soil scientists Hou Guangjiong, Zhang Xianwan and Professor Li Zhongming, under the organization of Soil Research Office of Chengdu Branch of Chinese Academy of Sciences, based on the work of predecessors, published in 1991, A monograph on purple soil - “Purple Soil in China (Part 1)”, started a new phase of purple soil research. On this basis, under the leadership of researcher He Yu-rong from Chengdu Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, with the cooperation of relevant units, after 10 years of hard work, China Purple Soil (Part II) was published, which is the continuation of the previous part , But also the development of the last chapter. The book has the following characteristics: