[1]白巴特尔,郑和祥,任杰,等.寒旱灌区冻融期冬小麦不同覆盖条件土壤温度变化[J].水土保持研究,2015,22(06):134-137.
　BAI Bateer,ZHENG Hexiang,REN Jie,et al.Soil Temperature Changes in Winter Wheat Fileds Under Different Mulch Conditions During Freezing and Thawing Periods in Cold and Dry Irrigation District[J].Research of Soil and Water Conservation,2015,22(06):134-137.
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寒旱灌区冻融期冬小麦不同覆盖条件土壤温度变化

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年06期 页码: 134-137 栏目: 出版日期: 2015-12-28
Title:
Soil Temperature Changes in Winter Wheat Fileds Under Different Mulch Conditions During Freezing and Thawing Periods in Cold and Dry Irrigation District
作者:
白巴特尔1, 郑和祥1, 任杰1, 张建成2, 赵春芝2, 张培智2
1. 中国水利水电科学研究院 牧区水利科学研究所, 呼和浩特 010020;
2. 巴彦淖尔市农牧业科学研究院, 内蒙古 巴彦淖尔 015400
Author(s):
BAI Bateer1, ZHENG Hexiang1, REN Jie1, ZHANG Jiancheng2, ZHAO Chunzhi2, ZHANG Peizhi2
1. Institute of Water Resources for Pastoral Area, China Institute of Water Resources and Hydropower Research, Huhhot 010020, China;
2. Bayannaoer Academy of Agricultural and Animal Sciences, Bayannaoer, Inner Mongolia 015400, China
关键词:
土壤温度; 覆膜; 冬小麦; 冻融; 寒旱灌区
Keywords:
soil temperature; mulching; winter wheat; freezing and thawing; cold and dry irrigation district
分类号:
S512.1+1;S152.8
摘要:
为揭示冻融期冬小麦不同覆盖条件土壤温度变化规律，基于河套灌区冬小麦地膜覆盖、秸秆覆盖和无覆盖3个试验区的实测土壤温度数据，分析了不同覆盖条件对土壤温度的影响及不同土层的土壤温度变化过程。结果表明：地膜覆盖对冻融期的土壤温度具有较好的增温效果，秸秆覆盖效果稍差；地膜覆盖和秸秆覆盖对土壤表土层增温效果较好，随着深度的增加，增温效果逐渐降低；地膜覆盖和秸秆覆盖在冻结期对土壤的增温效果最好，融解期的增温效果稍差，冻结稳定期增温效果很小；土壤温度变化过程在冻结期和融解期呈现不同特点，冻结期土壤温度随着土壤深度的增加而升高，融解期随着土壤深度的增加而降低，同时土壤融解速度远大于冻结速度。该研究结果可为寒旱灌区冻融期土壤水热运移提供参考，对冬小麦种植管理具有现实意义。
Abstract:
In order to reveal variation of soil temperature of the field during freezing and thawing periods, based on soil temperature data monitored in winter wheat fields with mulch plastic film, straw mulch and no cover mulch in three testing sites in the Hetao Irrigation District, the effects of different mulching types on soil temperature and soil temperature change process in different soil layers were discussed. The results showed that plastic film mulch could enhance soil temperature but straw mulch had less effectiveness on rise of soil temperature in freezing and thawing periods; the effect of soil temperature enhancement was significant in surface soil and it became less and less with the increase of soil depth under plastic film mulch and straw mulch; the effect of soil temperature enhancement was significant in freezing period and it was not effective in thawing period under plastic film mulch and straw mulch, but the effect of soil temperature enhancement was very slight in stable freezing period; the change process of soil temperature presented the different characteristics during freezing and thawing periods, soil temperature rose with the increase of soil depth in freezing period, it decreased with increase of the soil depth in thawing period and the melting process was faster than the freezing process. The result was of great significance for the planting management of winter wheat and to establish a foundation for the study of the coupled transport of water and heat during freezing and thawing periods in cold and dry irrigation district.

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备注/Memo

收稿日期:2015-04-07;改回日期:2015-05-04。
基金项目:国家青年自然科学基金项目（51109144）；“十二五”国家科技支撑计划重点项目（2011BAD29B03）；中国水利水电科学研究院科研专项（mks1204）
作者简介:白巴特尔(1969-),男(蒙古族),内蒙古呼和浩特市人,高级工程师,从事节水灌溉新技术研究。E-mail:baibte@163.com
通讯作者:郑和祥(1980-),男,山东菏泽人,博士,高级工程师,从事节水灌溉理论与技术研究。E-mail:zhenghexiang.29@163.com

更新日期/Last Update: 1900-01-01