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.
调亏条件下春播蚕豆的需水规律及其产量效应
- Title:
- The Water Consumption and Yield Effect Under Regulated Deficit Irrigation of Spring Broad Bean
- Keywords:
- regulated deficit irrigation; water consumption; yield; broad bean
- 分类号:
- S529.01
- 摘要:
- 在甘肃省秦王川灌区开展了调亏灌溉条件下蚕豆耗水规律及其产量效应的试验研究,结果表明:重度缺水严重抑制蚕豆生长,使其叶面积变小,且这种抑制作用可持续较长时间,而轻度缺水几乎不影响蚕豆的生长;缺水不仅减少调亏期间的需水量,而且对后继生育阶段需水量也有影响;缺水不但能提高该时段的水分利用效率而且可以提高生育后期的水分利用效率f轻度缺水可提高蚕豆产量.
- 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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备注/Memo
收稿日期:2007-5-22;改回日期:。
基金项目:水利部科技成果重点推广项目(TG0614)
作者简介:王福霞(1981- ),甘肃会宁人,在读硕士,主要从事节水灌溉及早区水费源利用方面的研究.E-mail:Pattywfx2007@yahoo.com.cn
通讯作者:张新民,博士,硕士生导师,主要从事节水灌溉及旱区水资源利用方面的研究.
通讯作者:张新民,博士,硕士生导师,主要从事节水灌溉及旱区水资源利用方面的研究.