春小麦是青海省主要粮食作物,占粮食作物播种面积的43.3%,占粮食总产的53.1%。春小麦能否大幅度地增产,对落实毛主席关于“深挖洞、广积粮、不称霸”,“备战、备荒、为人民”的伟大指示,有着重要的意义。 我省地处中纬度内陆高原,具有高原气候的特色。一是太阳辐射强。年总辐射量为 Spring wheat is the staple food crop in Qinghai Province, accounting for 43.3% of the sown area of ​​food crops and accounting for 53.1% of the total grain output. Whether or not spring wheat can increase its output substantially is of great significance for the implementation of Chairman Mao’s great instructions on “digging deep holes, widening grain and not seeking hegemony,” “preparing for war, preparing for famine, and for the people.” The province is located in the mid-latitude inland plateau, with the characteristics of plateau climate. First, strong solar radiation. The total annual amount of radiation