ZHOU Shan-shan,WU Fa-qi,ZHANG Chen.Transpiration and Relationship between Supply and Demand of Water for Dwarfing Fuji Apple Tree on the Weibei Plateau[J].Research of Soil and Water Conservation,2011,18(02):180-183.
渭北高原矮化红富士苹果树蒸腾规律及水分供求关系
- Title:
- Transpiration and Relationship between Supply and Demand of Water for Dwarfing Fuji Apple Tree on the Weibei Plateau
- 分类号:
- S661.1;S601
- 摘要:
- 利用热扩散茎流测定系统（TDP）对渭北高原矮化红富士树干液流进行长期定点定位观测，结果表明：苹果树在自然降水条件下和充分灌水条件下蒸腾规律在不同月份表现为其启动时间、峰值出现时间及变化趋势基本相似，但是峰值的大小和每天的蒸腾量具有一定的差异性。就试验年而言，在充分灌水条件下，苹果树一年蒸腾量为643.80 mm，在自然降水条件下为520.35 mm，自然降水条件下水分亏缺123.45 mm。苹果树生长季节中的7-9月的降水基本上可以满足蒸腾量之需，但是3-6月苹果树的水分供求关系矛盾比较突出，应该加强水分补给。
- Abstract:
- Stem sap flow dynamics of dwarfing Fuji apple tree on the Weibei plateau were studied by means of thermal diffusion stem sap flow measurement system (TDP). The results showed that transpiration rates of apple trees under the condition of natural precipitation are similar to that under the condition of appropriate soil moisture content at the start-up time, the peak time and change curve in different months respectively, but peak size and daily evapotranspiration are different. For the year of 2009, under the condition of appropriate soil moisture content, annual transpiration is 643.80 mm compared with that under the conditions of natural precipitation which is 520.35 mm, decreasing by 123.45 mm. In the growing season of from July through September, precipitation meets the needs of transpiration basically. But in March, April, May and June, water supply and consumption is contrary conspicuously. It is very essential that strengthens water supply.
参考文献/References:
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相似文献/References:
[1]王进鑫,张晓鹏,高保山,等.渭北旱塬红富士苹果需水量与限水灌溉效应研究[J].水土保持研究,2000,7(01):69.
WANG Jin-xin,ZHANG Xiao-peng,GAO Bao-shan,et al.Study on Water Requirement and Limited Irrigation Effects of Dwarfing Red Fuji Apple Tree on Weibei of Loess Plateau[J].Research of Soil and Water Conservation,2000,7(02):69.
[2]张友焱,周泽福,党宏忠,等.利用TDP茎流计研究沙地樟子松的树干液流[J].水土保持研究,2006,13(04):78.
ZHANG You-yan,ZHOU Ze-fu,DANG Hong-zhong,et al.A Study on the Sap Flow of Pinus Sylvestris var. mongolica with Thermal Dissipation Probe[J].Research of Soil and Water Conservation,2006,13(02):78.
备注/Memo
收稿日期:2010-10-30;改回日期:2010-11-15。
基金项目:中国科学院知识创新项目（KZCX1-06-02-03）
作者简介:周珊珊（1986- ），女，新疆乌鲁木齐市人，在读硕士研究生，主要从事水土保持研究。E-mail：zhou_shan_shan33@126.com
通讯作者:吴发启（1957- ），男，陕西黄陵人，教授，博士生导师，主要从事水土保持与流域管理方面的研究。E-mail：wufaqi@263.net