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Effects of Different Irrigation Methods on Tomato Growth,Yield and Water Use Efficiency(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年16
Page:
75-79
Research Field:
Publishing date:

Info

Title:
Effects of Different Irrigation Methods on Tomato Growth,Yield and Water Use Efficiency
Author(s):
ZHAO Wei1LIU Menglong1YANG Yuanyuan1ZHANG Feng2YANG Zhaosen1CHEN Zhijie2
1.Weinan Agricultural Technology Promotion Center,Weinan,Shaanxi 714000;2.Shaanxi Institute of Zoology,Xi′an,Shaanxi 710032
Keywords:
irrigation methodstomatoyieldwater use efficiency
PACS:
-
DOI:
10.11937/bfyy.20170336
Abstract:
Tomato was used as material,a field experiment was carried out to investigate the effects of different irrigation methods on tomato growth,yield and water use efficiency under plastic greenhouse.Four irrigation methods were set,respectively,for furrow irrigation under mulch (G1),drip irrigation under mulch (G2),alternative furrow irrigation (G3)and common furrow irrigation(G4) in order to select suitable irrigation way for local tomato.The results indicated that the irrigation amount was the least in G2 (1 146m3·hm-2).G3 (1 601 m3·hm-2) took the second place.The irrigation amount for G1 and G4 was 2 000 m3·hm-2.Compared with G4,G2 and G3 decreased water amount by 44.2% and 22.1%,respectively.Compared with G2,the irrigation methods of G1,G3 and G4 significantly increased plant height and stem diameter of tomato.The G2 had the highest water use efficiency (WUE) 48.1 kg·m-3,and the lowest was in G1 and G4 (about 27 kg·m-3).Compared with other irrigation methods,G3 significantly increased the dry weight of stem,leaf and root.While the G4 had the lowest root dry weight and root/shoot ratio.Therefore,G2 and G3 on the basis of raising the WUE and reducing irrigation amount were suitable for tomato cultivating under plastic greenhouse.Keywords:irrigation methods;tomato;yield;water use efficiency

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Last Update: 2017-08-30