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由于土壤和农业生产的关系至为密切,所以土壤图是产生与发展最早的图种之一。土壤类型图又是农业生产最必须最重要的图件,对国家经济建设、国防建设、科研和教学都有重要的参考价值。尤其是土壤类型图是编制系列土壤图的基础。因而早巳为国内外所重视。省(区)土壤类型图属中比例尺专题地图(以下简你省(区)土壤图)。是进行农业规划和农业生产的依据,这种图历来为各级农业部门和土壤学、制图学界所重视。为了探讨该图的编制理论、方法和提高其成图质量,现据参与编制1980年版《河南省土壤
Because of the close relationship between soil and agricultural production, soil map is one of the earliest patterns of production and development. Soil type map is the most important map for agricultural production. It has important reference value for national economic construction, national defense construction, scientific research and teaching. In particular, the soil type map is the basis for compiling a series of soil maps. It has long been valued at home and abroad. Provincial (district) map of the type of soil types in the scale of thematic map (the following simplified province (district) soil map). Is the basis for agricultural planning and agricultural production. Such a map has always been valued by the agricultural departments at all levels and in soil science and cartography. In order to explore the compilation theory, methods and improve the mapping quality, it is involved in the preparation of the 1980 edition of "Soil of Henan Province