摘要
通过田间试验,应用二次回归正交组合设计获得高蛋白大豆的二次多项式数学模型,并以此进行施肥推荐,结果表明:与当地常规施肥相比,模型推荐施肥不但可以提高大豆蛋白质含量0.9个百分点,同时还能增加纯收入356.26元/hm2。
The orthogonal combination design of quadratic regression was adopted in this experiment. The result showed that not only soybean protein inc reased 0.9% under the model of recommcnded fertilization, but also the next inco me increased 356.26 Yuan/hm^2 compared with the common fertilization.
出处
《黑龙江农业科学》
2005年第3期24-26,共3页
Heilongjiang Agricultural Sciences
基金
国家农业部科技跨越计划项目(1999-09)
