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于天仁土壤化学家。中国科学院南京土壤研究所研究员。１９２０年生于山东郓城。１９４５年西北农学院农业化学系毕业。土壤电化学的学科带头人。发展了土壤电分析化学。系统地阐述了水稻土的以氧化还原过程为中心的物理化学性质。应用独有的方法，区分了有机还原性物质的电化
Yu Tianren soil chemists. Nanjing Institute of Soil Science, Chinese Academy of Sciences. Born in 1920 in Shandong Yun City. 1945 Northwest Agricultural College Department of Agricultural Chemistry graduate. Academic leader in soil electrochemistry. Soil electrical analytical chemistry was developed. The physicochemical properties of paddy soils centered on the redox process are systematically expounded. Application of unique methods, the distinction between organic reduction of the electrochemical