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[1]WANG Fu-xia,DING Lin,CHENG Zhi-yong,et al.The Water Consumption and Yield Effect Under Regulated Deficit Irrigation of Spring Broad Bean[J].Research of Soil and Water Conservation,2008,15(02):189-191,194.

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The Water Consumption and Yield Effect Under Regulated Deficit Irrigation of Spring Broad Bean

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 02 Page number: 189-191,194 Column: Public date: 2008-04-20

Title:: The Water Consumption and Yield Effect Under Regulated Deficit Irrigation of Spring Broad Bean

Author(s):: WANG Fu-xia¹, DING Lin², CHENG Zhi-yong¹, ZHANG Xin-min²; 1. College of Engineering, Gansu Agricultural University, Lanzhou 730070, China;
2. Gansu Provincial Water Conservancy Research Institute, Lanzhou 730000, China

Keywords:: regulated deficit irrigation; water consumption; yield; broad bean

CLC:: S529.01

DOI:: -

Abstract:: Based on field experiment,the effect of regulated deficit irrigation on water consumption and yield effect of broad bean were studied in Qinwangchuan irrigation region in order to saving water and obtain high yield.The result shows that severe water deficit in seeding and jointing seriously affect broad bean’s growing.It made leaf area index and plant high decrease 26.00%,21.36%,38.62%,34.78% and the influence continued a long time,but light water deficit in seeding and jointing hardly affects the growth of broad bean.High water deficit made water consumption decrease 47.97% and 46.58% in corresponding stage compared with CK.Deficit water can made water consumption increase 21.84%,7.28%,5.34% and 2.43% in later period(mature period).The WUE was increased 13.48%,58.43% and 24.62% with deficit water in seeding and light deficit water in jointing but the WUE decreased 46.58% with high deficit water in jointing.Deficit water in early stage can increase the water consumption and WUE of later growth stage.Light water deficit had increased yield 9.09% and 14.05% but high water deficit decreased yield 1.65% and 7.44% compared with CK.

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