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淠史杭灌区水稻"浅湿灌溉"与"浅灌深蓄"技术的节水效应研究
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摘要:
通过多年对淠史杭灌区水稻不同生育阶段的"浅湿间歇"灌溉、雨季田间蓄雨深度与产量关系的试验,得出水稻不同生育期的适宜的间歇时间、灌溉定额和蓄雨深度;在此研究基础上,并结合淠史杭灌区水资源分布特点,总结出上游地区"浅湿间歇"和下游地区"两保深蓄"的节水灌溉技术要点.
关键词:  水稻  浅湿间歇  两保深蓄  淠史杭灌区  淠史杭灌区  水稻  浅湿灌溉  节水灌溉技术  效应研究  district  irrigation  rice  technique  sluice  下游地区  上游地区  分布特点  灌区水资源  结合  灌溉定额  间歇时间  不同生育期  试验  关系
DOI:
投稿时间:2005-12-15
基金项目:水利部重大专项 , 国家、安徽省及合肥市粮食丰产工程
Water-saved effects of shallow-wet irrigation and shallow-irrigation and deep- sluice technique on rice in Pi-shi-hang irrigation district
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Abstract:
According to the relationship between yield and shallow-wet intermittent irrigation and the depth of rainfall at different rice growth stages in Pi-shi-hang district, the optimal intermittent days, irrigation ration and storerainfall depth were concluded . On the base of former results and combine the characteristic of water distribution, shallow-wet intermittent irrigation in upriver area keeping enough water at the tillering and booting stage and storing much rainfall in the rain season in backward position were summarized.
Key words:  rice  shallow-wet intermission  guarantee two stages and store enough rainfall  Pi-shi-hang irrigation district

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