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知识讲座第四讲几项大豆增产新技术在北方春大豆区，比较成熟的栽培技术有“三垄”栽培技术模式，“永常”栽培技术模式及“高寒”栽培技术模式。这些模式已成功地在生产中大面积应用，并且取得了很好的经济效益。这三种模式以前我们已做过介绍，在这里我就不赘述，现向大...
Lectures on Lecture 4 Lecture on Some New Techniques for Increasing Soybean Yield In the northern spring soybean region, relatively mature cultivation techniques include the “Three Ridges” cultivation technique pattern, the “Permanent” cultivation technique pattern, and the “High Cold” cultivation technique pattern. These models have been successfully applied in large-scale production, and achieved good economic benefits. We have done these three models before the introduction, I will not go into details here, now to the big ...