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渭北旱原是陕西省小麦的重要商品粮生产基地.播种面积很大(约占该区总耕地面积的50％以上),但产量很低(一般亩产仅100～150公斤)。为了改变这一地区小麦生产的落后面貌,尽快把小麦产量搞上去,我们在“渭北旱原小麦高产优质综合技术研究”中,以系统工程原理为依据,采用二次正交旋转回归设计方法,通过微型电子计算机运算,试图建立渭北旱原冬小麦综合农艺措施数学模型,选择高产优质最佳农艺组合方案,为今后实现小麦生产规范化栽培提供科学依据.
The Weibei dry land is an important commodity grain production base for wheat in Shaanxi Province, with a large sown area (accounting for more than 50% of the total cultivated land in the area) but with a very low yield (generally only 100-150 kg per mu). In order to change the backwardness of wheat production in this area and to increase the output of wheat as soon as possible, we used the quadratic orthogonal rotation regression method based on the principle of system engineering in the study of “High-yielding and high-quality wheat comprehensive technology in wheat” , Through the miniature computer operation, trying to establish the mathematic model of winter wheat comprehensive agronomic measures in Weibei rainfed highland, selecting the best agronomic combination plan of high yield and good quality, and providing scientific basis for the future standardized cultivation of wheat.