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全省土壤概图及土壤利用与提高土壤肥力措施表系根据宋达泉教授1957年编制的东北土壤草图(1/200万比例尺)和程伯容副教授等于1956年所编的辽河流域土壤图(1/50万比例尺)为基础参考了近几年来各地调查研究的成果和详细的地形图编制而成,井按照气候地貌土壤植被农作物种类及可能发展灌溉情况和农林牧果树等可能发展的远景(5～10年内),初步拟定了土地利用及经营方向土壤改良措施及需肥的种类和数量。但必须加以说明因各项基本资料的收集不足,和对全省各地的具体情况了解不够(尤其农村大
According to the sketch map of soil in northeast China (1: 200 million scale) and associate professor Cheng Bo-rong (1956), soil survey of Liaohe River Basin (1/5 million Scale) based on the results of surveys and studies conducted in various places in recent years and a detailed topographic map prepared according to the climate and landforms in accordance with the types of soil vegetation and irrigation may be the development of agriculture, forestry, pastoral and animal husbandry and other possible future development prospects (5 to 10 years ), Initially formulated the soil improvement measures and the types and quantities of fertilizer to be used in land use and management. However, it must be explained that due to insufficient collection of basic information and insufficient understanding of the specific conditions in different parts of the province (especially in rural areas