XIE Xiu-hong,LIANG Yun-jiang.Change of Ground Temperature with Time and Soil Depth Under the Condition of Capsicum annuum L.Cultivation in Protective Farmland[J].Northern Horticulture,2015,39(11):49-52.[doi:10.11937/bfyy.201511013]
辣椒保护地地温时空变化规律研究
- Title:
- Change of Ground Temperature with Time and Soil Depth Under the Condition of Capsicum annuum L.Cultivation in Protective Farmland
- 文章编号:
- 1001-0009(2015）11-0049-04
- 分类号:
- S641.325.2
- 文献标志码:
- A
- 摘要:
- 以塑料大棚内辣椒保护地土壤为研究对象，调查了寒温带暗棕壤上培育的保护地土壤地温随时间和土层变化情况。结果表明：不同深度土壤温度日变化为正弦曲线，日最高地温波动比日最低地温的波动大。随着土壤深度增加，蓄热时间变长，散热时间缩短，蓄放热时间随深度增加依次滞后，且强度小。大棚内地温日振幅因受到环境因子影响产生的波动情况随着深度增加而减小。
- Abstract:
- Taking protective farmland cultivated with Capsicum annuum L. as research object，changes of ground temperature with time and depth of soil in protective farmland derived from dark brow forest soil was investigated.The results showed that the diurnal variation of soil temperature at different depths presented the sine curve，fluctuation of daily maximum ground temperature was large than fluctuation of daily minimum ground temperature.With the increase of soil depth，thermal storage time became longer，thermal loss time became shorter，times of heat storage and loss with soil depth were lagged，and the strength was small.The daily amplitude of fluctuation of ground temperature affected by environment factors decreased with soil depth in protective farmland.
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备注/Memo
第一作者简介：谢修鸿(1972-），女，吉林长春人，博士，讲师，现主要从事农林废弃物利用与土壤改良等研究工作。E-mail：yuxieaoran@163.com.责任作者：梁运江(1972-），男，吉林前郭人，副教授，硕士生导师，现主要从事土壤与植物营养等研究工作。E-mail：lyjluo@ybu.edu.cn.