井灌区控制灌溉模式水稻灌水规律研究  

Research on Rice Irrigation Regularity under Control Irrigation Mode in Well Irrigation Area

作　　者：范永洋 刘东[1,2,3,4] 

机构地区：[1]东北农业大学水利与建筑学院,哈尔滨150030 [2]农业部农业水资源提高利用重点实验室,哈尔滨150030 [3]黑龙江省粮食产能提升协同创新中心,哈尔滨150030 [4]黑龙江省普通高校节水农业重点实验室,哈尔滨150030

出　　处：《节水灌溉》2016年第6期46-50,共5页Water Saving Irrigation

基　　金：国家自然科学基金(51579044;41071053;51479032);"十二五"农村领域国家科技支撑计划课题子专题(2013BAD20B04-S3);水利部公益性行业科研专项经费项目(201301096);哈尔滨市创新人才研究专项资金(优秀学科带头人)(2013RFXXJ001);黑龙江省教育厅科学技术研究项目(12531012);黑龙江省水利科技项目(201319;201501;201503);东北农业大学研究生科技创新基金(yjscx14069)

摘　　要：在考虑降水蒸发蒸腾等影响一致的情况下,研究了常规灌溉、控制灌溉Ⅰ、控制灌溉Ⅱ、控制灌溉Ⅲ4种不同灌溉模式下水稻各生育期灌水量、产量性状,通过方差分析研究了不同灌溉模式对水稻产量的影响、灌溉水利用率并拟合得到灌水量与产量的回归方程。试验结果表明:各灌溉模式灌溉水利用率为控制灌溉Ⅰ>控制灌溉Ⅲ>控制灌溉Ⅱ>常规灌溉,图表中看出返青到分蘖末为需水非敏感期、拔节孕穗期和抽穗开花期为需水敏感期,不同灌溉模式对产量影响显著。控Ⅰ灌溉水利用率最高,能够达到节水增产的目的,合理利用水资源。Considering the same influence of rainfall,evapotranspiration,this experiment studied water irrigation amount and yield traits for each growth period of rice under four modes,including conventional irrigation,controlling irrigation I,controlling irriga-tion Ⅱ,controlling irrigation Ⅲ.Through variance analysis,the effects of different irrigation modes on the rice production,irriga-tion water use efficiency are studied and the regression equations fitting for water and production are gotten.The results show that the order of irrigation water use efficiency of different irrigation mode from high to slow is controlling irrigationⅠ,controlling irriga-tion Ⅲ,controlling irrigation Ⅱ,and conventional irrigation;the insensitive period of water demand is green stage to late tillering stage;the sensitive period of water demand is jointing-booting stage and heading-flowering stage;different irrigation modes have sig-nificant effect on the yield.The controllingⅠtreatment can get the highest irrigation water use efficiency and achieve the purpose of water-saving,yield-increasing,and using water resources reasonably.

关 键 词：常规灌溉 控制灌溉 灌溉水利用率 节水增产 

分 类 号：S275.9[农业科学—农业水土工程]