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Maize in Luoyang Optimization of Water-Saving Irrigation System
Author(s): 
Pages: 75-76,86
Year: Issue:  4
Journal: Yellow River

Keyword:  夏玉米优化灌溉制度需水规律洛阳地区;
Abstract: 为了提高水资源的利用率,根据洛阳地区试验田多年实测资料,建立了夏玉米的耗水量估算模型及产量与水分关系的数学模型,并分析了其相互关系.根据试验区1951-2000年降雨资料分析了全年降雨量分布特征,并与夏玉米全生育期耗水规律进行耦合性分析.结果表明:夏玉米生育期需水量与降雨量分布吻合性良好,但在枯水年和平水年,应在夏玉米生长关键期适当进行灌溉.利用Jessen模型,分析了夏玉米全生育期各阶段对缺水的...
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