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《Northern Horticulture》 2017-24
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Application of Alternate Micro-irrigation on Cultivation of Spinach in Greenhouse

GUO Yingzi;SHEN Lixia;YIN Yujuan;ZHANG Chunyi;College of Water Conservancy and Engineering,Taiyuan University of Technology;Shanxi Water Industry Construction Supervision Company;  
Leaf spinach was used as test materials,and the methods of moistube irrigation and alternate partial root-zone irrigation were combined in greenhouse,the effect of alternate micro-irrigation on spinach growth under different pressure heads and micro pipe spacings were studied.The results showed that under alternate micro-irrigation,the irrigation water was 64.6%-71.5% of conventional irrigation.Under alternate micro-irrigation,the plant height,root length,fresh weight and dry weight were higher than that of conventional irrigation.Micro pipe was buried in the depth of 5 cm,under the treatment of micro pipe under 1.5 m pressure head,30 cm micro pipe spacing,spinach growth condition was better,under the treatment of 1.0 mhead pressure and 20 cm micro pipe spacing,the water use efficiency was the highest.The conclusion was that alternate micro-irrigation could be applied to the cultivation of spinach in greenhouse,and this irrigation method could promote plant growth and yield while saving irrigation water.
【Fund】: 国家自然科学基金资助项目(31271645 51409184);; 山西省农业科技攻关资助项目(20140311007-4);; 山西省自然科学基金资助项目(201701D121109)
【CateGory Index】: S626;S636.1
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