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中国农学通报

中国农学通报 ›› 2003, Vol. 19 ›› Issue (5): 103-103.

所属专题： 小麦； 农业生态

• 目次 • 上一篇    下一篇

灌溉小麦优质高产生态栽培优化数学模型研究

安成立 ,戴开军,张俊杰,董彦卿,王 红   

  • 出版日期:2003-10-25 发布日期:2003-10-25

Study on Selective Mathematic Model for High-yield and Good Quality Ecological Cultivation of Wheat in Irrigation Region

An Chengli, Dai Kaijun, Zhang Junjie，Dong Yangqing and Wang Hong   

  • Online:2003-10-25 Published:2003-10-25

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摘要： 运用农业系统工程原理，采用三因子二次饱和D最优设计方案[8]，选取对小麦产量影响较大的播期x1、播量x2和施肥量x3为调控因子[5] [7]，以每公顷 产量y为目标函数研究灌溉小麦优质高产生态栽培优化数学模型。结果表明，在试验设计条件下，影响灌溉小麦产量的各生态因素权重依次为播期x1＞播量x2＞施肥量x3，依据建立的模型，目标产量在7500～9000kg/hm2时，灌溉小麦优质高产最佳农艺方案为：播期x1 10月2日～5日，播量x2 145.91～211.76万粒/ hm2，施肥量x3纯N、P（N∶P2O5=1∶1）191.83～304.73 kg/hm2。本研究为灌溉小麦优质高产生态栽培提供科学依据。

关键词: 遥感, 遥感, 农业, 科学知识图谱, 研究热点, 可视化

Abstract: The study was carried out by using the principle of agricultural systems engineering and the qualified design of three factor square saturated D, in which the factors of sowing date (x1), sowing quantity (x2), amount of fertilizer application (x3) were taken as the adjusting factors, and the yield (y) of each hm2, as target function, Though the study we got a mathematic model for high-yield and good-quality ecological cultivation of wheat in irrigation region. The result indicated that, under the condition of this experiment design, factors affecting wheat yield in irrigation region were in order as sowing date x1> sowing quantity x2> amount of fertilizer application x3 when the target yield was from 7500～9000kg/hm2,the optimum formula of wheat high-yield and good quality in irrigation region was as follows: sowing date x1 from 2nd to 5th October, sowing quantity x2 of 145.91～211.76×104 seed/hm2,fertilizer application x3 of pure N、P（N∶P2O5=1∶1）191.83～304.73 kg/hm2。This study provides a scientific foundation for high-yield and good quality ecological cultivation of wheat in irrigation region.