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[1]DING Lin,WANG Fu-xia,WANG Yi-bing,et al.The Growth Tendencies and Yield Effects of Spring Broad Bean by Regulated Deficit Irrigation[J].Research of Soil and Water Conservation,2008,15(06):236-240.

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The Growth Tendencies and Yield Effects of Spring Broad Bean by Regulated Deficit Irrigation

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 15 Number of periods: 2008 06 Page number: 236-240 Column: Public date: 2008-12-20

Title:: The Growth Tendencies and Yield Effects of Spring Broad Bean by Regulated Deficit Irrigation

Author(s):: DING Lin¹, WANG Fu-xia², WANG Yi-bing¹, ZHANG Xin-min¹; 1. Gansu Provincial Water Conservancy Research Institute, Lanzhou 730000, China;
2. College of Engineering, Gansu Agricultural University, Lanzhou 730070, China

Keywords:: RDI; growth tendencies; yield effects; broad bean

CLC:: S529.01;S152.7

DOI:: -

Abstract:: The growth tendencies and yield effect of broad bean was studied in field by regulated deficit irrigation conditions.The result shows that after water deficit in growth stage of broad bean,its height,leaf area index,dry material accumulation quantity have great scope to drop compared with CK.In each growth stage,light water deficit treatments drop is 18.3%,21.4%,14.4%,0.4%,the leaf area index is 16.8%,21.7%,13.2%,20.8% respectively,the material accumulation quantity is 22.86%,25.71%,14.14%,10.56% compared with CK; In each growth stage high water deficit treatments drop is 32.3%,15.4%,24.1%,1.99%,the leaf area index is 8.6%,34.8%,34.0%,23.1% respectively,the material accumulation quantity is 42.86%,37.14%,28.28%,15.00% compared with CK.Moreover along with water deficit degree’s aggravating broad bean height,leaf area index,dry material accumulation quantity compares reduces is more obvious compared with CK,not only this kind reduces tendency to appear in the water deficit stage,moreover also appears in the following birth stage.Simultaneously the yield of broad bean has not reduced in the jointing stage or seedling stage or flowering stage under light water deficit,but increases production 14.05%,9.09% and 8.26%,and saves water 4.14%,10.92% and 5.27%.It explained that should adopt the seedling stage light water deficit other stages are the full irrigations,or the jointing stage light water deficit,other stages are the full irrigations in the broad bean actual production.This two kind of experimental processing to be possible fully to achieve saving water and the high production goal.

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