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我级根据上级指示,于1961年秋来新进行工作.关于盐碱土改良和轮作安排问题的考察,是在1960年我院考察团考察基础上进行的.在
In accordance with the instruction of the higher authorities, I made new work in the autumn of 1961. The investigation on the problems of saline-alkali soil improvement and rotation arrangements was carried out on the basis of a study tour of our hospital in 1960. At