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本试验应用二次回归正交旋转试验设计方法研究了黑河九号大豆主要栽培因子(密度、氮肥、磷肥和钾肥)与大豆产量的关系,建立了黑河九号大豆在本省第四积温带黑河地区土壤中等肥力条件下的高产栽培数学模型。通过微机对模型的解析,得出各因子对产量效应的主次关系,两因子搭配的产量效应以及等产量线图。通过边际产量分析了经济效益,并通过频数分析,得出指定产量水平下的最佳综合高产农艺措施组合方案,为黑河九号大豆大面积生产规范化栽培提供了依据。
In this study, quadratic regression orthogonal rotation test design method was used to study the relationship between the main cultivation factors (density, nitrogen, phosphate and potash) and soybean yield in Heihe No.9 soybean. The results showed that the yield of soybean in Heihe No.9 soybean was the highest in Heihe High Yield Cultivation Mathematical Model Under Medium Fertility Conditions. Through the analysis of the model by computer, we get the primary and secondary relationship of each factor to the yield effect, the output effect of two factors and the equal output line graph. Through the analysis of the marginal yield of economic benefits, and through frequency analysis, the best combination of high yield agronomic measures at the specified yield level was obtained, which provided the basis for the standardization of large-scale production of Heihe soybean.