我们白杨河四队,地处祁连山下戈壁滩上,海拔2,200米,气候寒冷,无霜期只有90多天。几年来,我队广大贫下中农,高举“农业学大寨”的旗帜,认真学习毛主席光辉的哲学思想,落实农业“八字宪法”,大搞科学种田,粮食产量逐年上升,一九七一年亩产达到七百六十三斤,其中三十二亩四分玉门一号春小麦,亩产达一千零二十五斤。春小麦三十多亩地亩产突破千斤,这在我们队还是第一次。这个成绩是如何取得的呢?下面谈谈我们的一些肤浅的体会: We are four Poplar River, located in Qilian Gobi desert, 2,200 meters above sea level, the climate is cold, frost-free period of only 90 days. Over the past few years, the majority of our team have raised the banner of “agriculture learning Dazhai”, earnestly studying Chairman Mao’s glorious philosophical thinking, implementing the “eight-character constitution” of agriculture, engaging in scientific farming and increasing grain output year by year. In 1991, The yield per mu reached 736 tons, of which 32 mu was one-fourth of Yumen-1 spring wheat with a yield of 1,020 kg per mu. Thousand acres of spring wheat mu yield breakthrough, this is the first time in our team. How to achieve this result? Here to talk about some of our superficial experience: