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3种保水措施影响下的风沙土水盐及地温特征

, PP. 215-221

Keywords: 风沙土,土壤水分,土壤盐分,土壤温度,保水措施,沙漠公路,塔克拉玛干沙漠

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Abstract:

对塔克拉玛干沙漠腹地不同保水措施(覆膜、覆沙、喷施Guilspare)和裸地(对照)土壤水分、盐分分布及耕作层温度的变化特征进行了分析。结果表明夏季采取保水措施能够抑制土壤蒸发,提高土壤的蓄水保墒能力。同时,还能起到抑制土壤盐分表聚的作用,明显地改变了风沙土水盐空间分布,降低表层盐分被淋溶至林木根系层的概率。保水措施对剖面土壤温度日变化的影响比较明显,其中覆膜处理下5~20cm土壤温度最高,其他处理对土壤温度的影响随深度的变化存在一定差异。对地温日变幅的影响随土层深度变化而变化。5cm土层地温日变幅为覆沙>覆膜>抑制剂>裸地;5~20cm土层地温日变幅为覆膜>覆沙>抑制剂>裸地。覆膜处理下垂直剖面地温极显著地高于其他处理(p<0.01),抑制剂显著的高于对照(p<0.05),覆沙处理与对照间差异不显著。

References

[1]  陈士辉,谢忠奎,王亚军,等.砂田西瓜不同粒径砂砾石覆盖的水分效应研究[J].中国沙漠,2005,25(3):433-436.[Chen Shihui,Xie Zhongkui,Wang Yajun,et al.Moisture storage effect of gravel mulch with different grain size on watermelon field[J].Journal of Desert Research,2005,25(3):433-436.]
[2]  王俊,李凤民,贾宇,等.半干旱地区播前灌溉和地膜覆盖对春小麦产量形成的影响[J].中国沙漠,2005,25(3):77-82.[Wang Jun,Li Fengmin,Jia Yu,et al.Effects of plastic film mulching and pre-sowing irrigation on yield formation of spring wheat[J].Journal of Desert Research,2005,25(3):77-82.]
[3]  Peter Cookson,Hayder Abdel Rahaman,Pierre Hisbrunner,et al. Evaluation of the water-saving potential of a hydrophobic polymer(Guilspare?)in irrigation soil of the sultanate of Oman,Southern Arabia[C]//Proceedings of the 2nd Inter-Regional Conference on Environment-water.Lausanne Switzerland:Presses poly-techniques of Universities Romandes,2005:1-8.
[4]  Fernandez J E,Morenoa F,Murilloa J M,et al.Evaluating the effectiveness of a hydrophobic polymer for conserving water and reducing weed infection in a sandy loam soil[J].Agricultural Water Management,2001,51:21-59.
[5]  Al-kalbani M S,Cookson P,Rahame H A.Uses of hydrophobic siloxane polymer (Guilspare?[HT6]) for soil water management application in the sultanate of Oman[J].Water International,2003,28(2):217-223.
[6]  孙树国,张建国,徐新文,等.塔中沙漠地区Guilspare?抑制土壤蒸发的效应研究[J].水土保持通报,2008,28(5):99-103.[Sun Shuguo,Zhang Jianguo,Xu Xinwen,et al.Inhibition of Guilspare? on soil evaporation in the hinterland of Taklimakan Desert[J].Bulletin of Soil and Water Conservation,2008,28 (5):99-103.]
[7]  纪永福,蔺海明,杨自辉,等.夏季覆盖盐碱地表面对土壤盐分和水分的影响[J].干旱区研究,2009,24(3):375-381.[Ji Yongfu,Lin Haiming, Yang Zihui,et al. Study on the effects of covering land on salt and moisture contents in saline or alkaline soil in summer[J].Arid Zone Research,2009,24(3):375-381.]
[8]  王永东,徐新文,雷加强,等.塔里木沙漠公路防护林生态防护林沿线土壤表层盐分特征[J].干旱区研究,2010,27(1):51-56.[Wang Yongdong,Xu Xinwen,Lei Jiaqiang,et al.Analysis on properties of topsoil salinity along the shelterbelts of the Tarim desert highway[J].Arid Zone Research,2010,27(1):51-56.]
[9]  王晓静,徐新文,雷加强,等.咸水滴灌下林带的盐结皮时空分布规律[J].干旱区地理,2006,23(3):399-404.[Wang Xiaojing,Xu Xinwen,Lei Jiaqiang,et al.Spatiotemporal distribution of salt crust in a shelter-forest belt under drip-irrigation with salt water[J].Arid Land Geography,2006,23(3):399-404.]
[10]  李生宇,雷加强,徐新文,等.流动沙漠地区灌溉林地盐结皮层特征的初步研究[J].北京林业大学学报,2007,29(2):41-48.[Li Shengyu,Lei Jiaqiang,Xu Xinwen,et al.Characteristics of salt crust layers in the forests irrigated with saline water in mobile desert[J].Journal of Beijing Forestry University,2007,29(2):41-48.]
[11]  张建国,徐新文,雷加强,等.沙漠地区咸水滴灌林地盐结皮层化学特征[J].干旱区研究,2009,26(2):255-260. [Zhang Jianguo, Xu Xinwen, Lei Jiaqiang, et al.Chemical properties of the salt crust layer in shelterbelts under drip irrigation with saline water in a mobile desert[J].Arid Zone Research,2009,26(2):255-260.]
[12]  贺欢,田长彦,王林霞.不同覆盖方式对新疆棉田土壤温度和水分的影响[J].干旱区研究,2009,26(6):826-831.[He Huan,Tian Changyan, Wang Linxia. Effect of different coverings on soil temperature and soil moisture content in cotton field in Xinjiang [J].Arid Zone Research,2009,26(6):826-831.]
[13]  邵明安,王全九,黄明斌.土壤物理学[M].北京:高等教育出版社,2006.[Shao Mingan,Wang Quanjiu, Huang Mingbin.Soil Physics[M].Beijing:Higher Education Press,2006.]
[14]  刘广明,杨劲松.土壤含盐量与土壤电导率及水分含量关系的试验研究[J].土壤通报,2001,32(6):85-87.[Liu Guangmin,Yang Jingsong. Study on the correlation of soil salt content with electric conductivity and soil water content[J].Chinese Journal of Soil Science,2001,32(6):85-87.]
[15]  员学锋,汪有科.不同保墒条件下土壤温度日变化效应研究[J].灌溉排水学报,2008,27(3):82-84.[Yuan Xuefeng, Wang Youke. Daily changing of soil temperature under different soil water conservation treatment[J].Journal of Irrigation and Drainage,2008,27(3):82-84.]

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