Journal of Food, Agriculture and Environment
Vol 11,
Issue 3&4,2013
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Irrigation water infiltration and water use efficiency of winter wheat under interval-farmland irrigation mode
Author(s):
Chengyu Wang 1,
Mingrong He 2*, Hongwen Men 2, Yuhua Shi 2Recieved Date: 2013-05-02, Accepted Date: 2013-09-26
Abstract:A two-year experiment was conducted to investigate the difference of water use efficiency (WUE) between interval-farmland irrigation mode (IIM) and conventional irrigation mode (CIM), and to provide useful guidelines to farmers on how to optimize irrigation scheduling for high-yielding wheat production in the Huang-Huai-Hai Plain. The field experiment included 2 irrigation modes (IIM and CIM) and 5 treatments: NNNNo irrigation; YYN, irrigating 2 times by CIM; YYY, irrigating 3 times by CIM; yyn, irrigating 2 times by IIM; yyy, irrigating 3 times by IIM. There were no differences in mean yield of irrigation modes between YYN and yyn as well as between YYY and yyy. However, the yield of YYN was significantly higher than those of YYY and yyy. With no obvious reduction of yield compared with YYN, the WUE of yyn was significantly higher than YYN. The reason is that the water of irrigated farmland can move into no irrigation farmland of IIM and the no irrigation farmland reduced ET (evapotranspiration) compared with the two farmlands irrigated in CIM.
Keywords:Irrigation,
water infiltration, water use efficiency, irrigation modeJournal: Journal of Food, Agriculture and Environment
Year: 2013
Volume: 11
Issue: 3&4
Category: Environment
Pages: 1537-1541
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