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清代中叶以后,吴淞江流域的水稻土呈现出各种各样的类型。影响因子众多,水环境、农作技术、社会组织都对土壤的变化产生了影响。水环境的作用主要是吴淞江水流改变以后所形成的各样水环境、感潮环境与圩田干田化;技术因素主要包括麦、稻轮作,施河肥和种植绿肥,另外,铁搭耕作也对水稻土的分化产生了影响,但几乎所有这些技术都是在人口压力推动下产生的;水利社会的动员,小农经济的结构和乡村阶层,这些社会因素都对水稻土的肥力变化产生了影响。
Since the middle of the Qing Dynasty, paddy soil in the Wusong River Basin has been showing various types. Many influencing factors, water environment, farming techniques, social organizations have an impact on soil changes. The role of water environment is mainly caused by changes in the Wusong River after the formation of a variety of water environment, tidal environment and polder dry Tian; technical factors include wheat, rice rotation, fertilizer and planting green manure, in addition, Have had an impact on the differentiation of paddy soils, but almost all of these technologies have been driven by population pressure; the mobilization of water societies, the structure of peasant economies and the rural sectors, all of which have an impact on the fertility of paddy soils .