杜宏娟,张磊,李福生,王连喜,车晶晶,官景得,郑方.不同灌溉量下春小麦土壤水分变化规律[J].干旱地区农业研究,2010,28(4):50~53
不同灌溉量下春小麦土壤水分变化规律
Soil moisture change of spring wheat field under different irrigation quantity
  
DOI：10.7606/j.issn.1000-7601.2010.04.10
中文关键词:  灌溉量  春小麦  土壤水分
英文关键词:irrigation quantity  spring wheat  soil moisture
基金项目:中国气象局重点支持省所科研项目(CMATG2007S06)
作者单位
杜宏娟 宁夏吴忠市气象局,宁夏 吴忠 751100
宁夏气象防灾减灾重点实验室,宁夏 银川 750002 
张磊 宁夏气象防灾减灾重点实验室,宁夏 银川 750002 
李福生 宁夏气象科研所,宁夏 银川 750002 
王连喜 宁夏气象防灾减灾重点实验室,宁夏 银川 750002
南京信息工程大学,江苏 南京 210044 
车晶晶 宁夏气象科研所,宁夏 银川 750002 
官景得 宁夏气象科研所,宁夏 银川 750002 
郑方 宁夏吴忠市气象局,宁夏 吴忠 751100 
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中文摘要:
      研究了不同灌水量处理条件下春小麦土壤水分变化规律。结果表明:不同灌水量处理下土壤含水率在垂直方向上的变化规律一致,随着深度的增加,土壤含水率变异系数逐渐变小;在春小麦整个发育期,不同灌水量处理在拔节期耗水强度均达最大值,为其需水高峰期;从节水效益看,全生育期灌水量为428.6 mm的处理水分利用效率和灌溉水利用效率较好,灌溉效果最佳,达到节水灌溉效果。
英文摘要:
      The main purpose of this article is to show the variation of soil moisture of spring wheat field under the condition of different irrigation treatments. The experimental results show that: the probability of the variation of soil moisture on vertical direction under different irrigation treatments is the same, and the coefficients of variation of the probability of soil moisture become smaller and smaller as the depth increases; At the period of jointing which is in the highest need of water, all of the intensity of water consumption under different irrigation treatments achieve to the maxi-mum during the whole period of spring wheat growth; From water-saving irrigation treatment T3 can obtain the best effect under different imigation levels, because of the better using water and imigation water and the best imigation level. So that it can achieve the effect of water-saving irrigation.
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