LI Li-jun,GAO Ju-lin,WU Xiang-liang,et al.Effects of Different Film Mulching Techniques on Soil Water Movement and WUE in Soybean Field[J].Soybean Science,2008,27(02):262-266.[doi:10.11861/j.issn.1000-9841.2008.02.0262]
不同覆膜方式对大豆田水分动态及利用效率的影响
- Title:
- Effects of Different Film Mulching Techniques on Soil Water Movement and WUE in Soybean Field
- 文章编号:
- 1000-9841(2008)02-0262-05
- Keywords:
- Soybean; Film mulching technique; Water use efficency(WUE)
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 为了明确内蒙古干旱半干旱地区大豆田水分动态及利用效率的变化情况,以行间覆膜(CFBR)、行上覆膜(CFOR)及不覆膜(NFC,对照)3种处理为措施,对其进行了系统研究。结果表明:不同覆膜方式对大豆水分利用效率影响依次为CFBR>CFOR>NFC;0~100cm土壤贮水量存在明显的季节变化,可依次划分为土壤水分损耗期(播种期~分枝期)、大量损耗期(分枝期~结荚期)和缓慢恢复期(结荚期~成熟期);不同覆膜方式大豆全生育期土壤水分随时间的变化有较为相似的规律,都表现出“减-增-减-增”的变化趋势,不同的处理方式在一定时期内又表现出一定的差异性。
- Abstract:
- In order to elucidate the dynamics of water content and the water use efficiency(WUE) in soybean field in arid and semi-arid area of Inner Mongolia,a systematic research was conducted with 3 different film mulching methods,separately were covering film between rows(CFBR),covering film on rows(CFOR) and no film covering(NFC).The research result indicated that the order of the effect of film mulching on soybean WUE were CFBR > CFOR > NFC.Water amount in 0~100 cm soil layer had a seasonal change,which could be described as soil water consuming stage(seedling to branching),mass-consuming stage(branching to podding) and slow-resuming stage(podding to maturing).The dynamic of soil water in the whole growth stage of soybean under different film mulching methods had a similar law of reducing -increasing-reducing dynamical curve,but there were some differences among treatments in certain growth stages.
参考文献/References:
[1] Ravi V,Lourduraj A C.Comparative performance of plastic mulching on soil moisture content soil temperature and yield of rainfed cotton[J].Madras Agriculture Journal,1996,83:709-711.
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备注/Memo
基金项目:教育部新世纪优秀人才支持计划资助项目(NCET040264);内蒙古自然科学基金资助项目(200408020302)。