LI Mei-juan,QIAO Dan,LI Tie-nan,et al.Effect of Different Irrigation Methods on Yield and Benefit of the Dry Direct-seeding Rice in Cold Region[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(05):22-25.[doi:10.11942/j.issn1002-2767.2017.05.0022]
不同灌溉方式对寒地旱直播稻生产的影响及效益分析
- Title:
- Effect of Different Irrigation Methods on Yield and Benefit of the Dry Direct-seeding Rice in Cold Region
- 文章编号:
- 1002-2767(2017)05-0022-04
- Keywords:
- cold region; dry direct-seeding rice; water saving irrigation; yield; benefits
- 分类号:
- S275
- 文献标志码:
- A
- 摘要:
- 为了探明不同灌溉方式对旱直播稻的综合效应,以指导寒地旱直播的生产,进行了大田试验,研究了旱直播喷灌、旱直播稻控制灌溉、旱直播稻间歇灌溉和移栽常规灌溉对水稻生长的影响。结果表明:旱直播喷灌、旱直播控制灌溉、旱直播间歇灌溉分别比移栽常规灌溉节水90.5%、84.1%和77.8%,产量比移栽常规灌溉水稻降低19.6%、15.4%和18.0%,经济效益比移栽常规灌溉水稻提高2.6、3.6和3.3倍。旱直播控灌水稻产量高于其它直播稻的原因是其有效分蘖率、有效穗数和千粒重高,更有利于直播稻高产的形成。
- Abstract:
- In order to find out the comprehensive effect of different irrigation methods on dry direct-seeding rice,as to guide the production of dry direct-seeding rice,the field experiment has been carried out,effects of four irrigation methods on rice production were analyzed,including dry direct-seeding rice undersprinkler irrigation,control irrigation,intermittent irrigationand transplanting conventional irrigation.The results showed that comparison with the transplanting conventional irrigation,the dry direct-seeding rice undersprinkler irrigation,controlirrigation and intermittent irrigationsaved water by 90.5%,84.1% and 77.8% respectively,decreasedyield by 19.6%,15.4% and 18.0%,increased economic benefit by 2.6 times,3.6 times and 3.6 times.The yield of dry direct-seeding rice under control irrigation condition was higher than others,becausethe high effective tiller rate,high effective spike number and high 1000 -grain weight,therefore,control irrigation was more advantageous to form high yield.
参考文献/References:
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备注/Memo
收稿日期:2017-03-27基金项目:黑龙江省应用技术研究与开发计划重大资助项目(GA15B101)第一作者简介:李美娟(1984-),女,山西省朔州市人,硕士,工程师,从事节水灌溉技术及水资源高效利用研究。Email:Limeijuan198411@163.com。