山东省益都县(今山东青州市)北关街小学的教师们,打算利用校内所有的空地全部种上小麦,做到“寸土不让,一棵不放”。他们提出的口号是“学校麦田化”。这个事情使我联想到,如果全国所有的工厂、企业、机关、学校、农村住户都能像这个学校一样,在一切空闲地上种上小麦,那么小麦的增加数量一定是很惊人的。因此,我倡议在全国范围内掀起一个挖掘一 Teachers from Beiguan Street Primary School in Yidu County, Shandong Province (now Qingzhou City, Shandong Province) intend to use all the open space in the school to grow wheat, so that “no soil will be allowed, no planting will be allowed.” The slogan they put forward is “School Wheatfield ”. This incident reminds me that if all the factories, enterprises, institutions, schools and rural households in the country can grow wheat on all the vacant land like the school, the increase in the number of wheat must have been staggering. Therefore, I propose setting off a nationwide excavation