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奖励类别及等级 1991年获甘肃省农业厅农业技术改进三等奖主要完成单位定西地区旱农中心化验室主要完成人员姚晏如、贺铭、王琳、梁淑珍、李克孝、邵雅琴、安凌冰、杨爱萍、马秀英、汪仲敏、王明泰、王克敏、李家连、刘振龙起止年限 1989～1991年内容摘要该课题按照区域自然环境特征,首先在1/20万土壤图上合理布点,按9种土类挖土壤剖面197个,采集土样505个,占全区总耕地面积的
Reward category and grade In 1991 by the Gansu Provincial Department of Agriculture agricultural technology improvement third prize Main unit Dingxi Regional Center for Dry and Agricultural Center Principal Completion Personnel Yao Yanru, He Ming, Wang Lin, Liang Shuzhen, Li Kexiao, Shao Yaqin, An Lingbing, Yang Aiping , Ma Xiuying, Wang Zhongmin, Wang Mingtai, Wang Kemin, Li Jialian, Liu Zhenlong Starting and ending years 1989-1991 years Abstract According to the characteristics of the natural environment in the region, the project is first laid on 1 / 220,000 soil maps, A collection of 505 soil samples, accounting for the total area of cultivated land