一缘起 当民国一三年秋季,清华学校创办农事试验场之时,编者以为计划试验问题以前,必须审察近地农村状况,农产情形;然后根级调查结果,以定试验与研究之标准,庶能因地设施,适于实用。因拟定调查表格七种,于冬季农暇时候,作一小规模之农业调查。先从学校左近距离七华里以内之七个 From the very beginning When the autumn of 13th of the Republic of China and Tsinghua School founded the agricultural experiment site, the editors thought that before the planned experiment, we must examine the situation of rural and near rural areas and the situation of agricultural production. Then, the results of the investigation at the root level should set the standard of test and research, Shu local facilities, suitable for practical. Due to the formulation of seven survey forms, a small-scale agricultural survey will be conducted during winter time. Seven schools in the vicinity of the first seven miles away from the school