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为大面积推广高产优质啤酒大麦新品种华大麦6号,本试验以五元二次回归正交旋转组合设计为基本数学模型,重点研究华中地区种植密度、有机肥、氮、磷、钾肥用量等因素对华大麦6号产量、粒重和净收益的综合效应。对模型解析发现,在供试条件下密度、有机肥、氮、磷、钾肥单因子对产量绝对贡献顺序为氮肥>有机肥>磷肥>密度>钾肥;对千粒重的绝对贡献顺序为磷肥>钾肥>有机肥>密度>氮肥;对净收益的贡献顺序为有机肥>氮肥>磷肥>密度>钾肥。计算机模拟寻优表明,密度在199.8～213.9万株hm-2,有机肥在17428.5～20330.1kghm-2,氮肥在202.4～228.3kghm-2,磷肥在73.3～86.0kghm-2,钾肥在66.2～82.8kghm-2。时,大麦的产量在4800kghm-2以上,千粒重>42g,净收益达5500元hm-2。因此,这些栽培措施的组合可以作为推荐的高产高效栽培技术方案。
In order to promote large-scale production of high-quality and high-quality barley barley variety Huabei 6, the experiment was based on the quadratic regression quadratic rotation combined design of five yuan as the basic mathematical model, focusing on planting density, organic manure, nitrogen, phosphorus and potassium fertilizer consumption in central China The Combined Effects of Factors on the Yield, Grain Weight and Net Yield of Chinese Barley. The results of model analysis showed that the order of contribution of density, organic fertilizer, nitrogen, phosphorus and potassium single factor to the yield of nitrogen fertilizer> organic fertilizer> phosphate fertilizer> density> potassium fertilizer; the absolute contribution order to the 1000-grain weight was phosphate fertilizer> Organic fertilizer> density> nitrogen fertilizer; the order of contribution to net income is organic fertilizer> nitrogen fertilizer> phosphate fertilizer> density> potash fertilizer. The results of computer simulation showed that the density ranged from 199.8 to 2139.000 hm-2, the organic fertilizer ranged from 17428.5 to 20330.1 kghm-2, the nitrogen ranged from 202.4 to 228.3 kghm-2, the phosphorus ranged from 73.3 to 86.0 kghm-2, and the potash ranged from 66.2 to 82.8 kghm-2. , The output of barley is above 4800kghm-2, the grain weight is over 42g, and the net income is up to 5500 Yuan hm-2. Therefore, the combination of these cultivation measures can be used as recommended high-yield and high-efficiency cultivation techniques.