[1]赵梦炯,吴文俊,马超,等. 陇南地区土壤水分及气象因子对油橄榄树干液流的响应特征[J].西北林学院学报,2020,35(5):104-109.[doi:10.3969/j.issn.1001-7461.2020.05.16]
 ZHAO Meng-jiong,WU Wen-jun,MA Chao,et al. Influence of Soil Moisture and Meteorological Factors on Stem Sap Flow of Olive in Southern Gansu[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(5):104-109.[doi:10.3969/j.issn.1001-7461.2020.05.16]
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 陇南地区土壤水分及气象因子对油橄榄树干液流的响应特征()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第5期
页码:
104-109
栏目:
出版日期:
2020-09-30

文章信息/Info

Title:
 Influence of Soil Moisture and Meteorological Factors on Stem Sap Flow of Olive in Southern Gansu
文章编号:
1001-7461(2020)05-0104-06
作者:
 赵梦炯12吴文俊12马超1戚建莉12姜成英12*陈炜青12
(1.甘肃省林业科学研究院,甘肃 兰州 730020;2.国家林业和草原局 油橄榄工程技术研究中心,甘肃 兰州 730020)
Author(s):
 ZHAO Meng-jiong12WU Wen-jun12MA Chao1QI Jian-li12JIANG Cheng-ying12*CHEN Wei-qing12
 (1.Gansu Academy of Forestry Sciences,Lanzhou 730020,Gansu,China; 2.Center for Olive Research and Technology of National Forestry and Grassland Administration,Lanzhou 730020,Gansu,China)
关键词:
 油橄榄树干液流气象因子土壤水分
Keywords:
 olive sap flow meteorological factor soil moisture
分类号:
S152.75
DOI:
10.3969/j.issn.1001-7461.2020.05.16
文献标志码:
A
摘要:
 在初步掌握油橄榄树干液流的变化规律基础上,探索土壤水分、气象因子与树干液流的关系。结果表明,油橄榄树茎流量随太阳辐射强度增大而呈现迅速降低的趋势,随空气相对湿度的增加逐渐减小,与空气温度呈正相关关系,由于高温抑制作用,空气温度>29.78℃时,茎流量有小幅下降的趋势,土壤温度在12.51℃~25.06℃时,油橄榄树茎流量随土壤温度升高而缓慢增大,但当土壤温度>30.86℃时,油橄榄树茎流量也会逐渐下降。通过分析油橄榄茎流速率与气象因子之间的关系,构建了多元线性回归模型,生产上可根据此模型推导出油橄榄树的潜在茎流量,以此为依据提出合理的节水补灌制度。
Abstract:
 The objectives of this study were to understand the variation regularities of trunk sap flow of olive trees (Olea europaea) occurring in southern Gansu,and to investigate the relationship of the sap flow with soil moisture and meteorological factors.The results showed that the sap flow decreased rapidly with the increase of the intensity of solar radiation,decreased gradually with the increase of air relative humidity.The sap flow was positively correlated with atmospheric temperature.When the temperature was higher than 29.78℃,due to the inhibition effect,the sap flow tended to slightly decline.The sap flow slowly increased with the soil temperature in the range of 12.51℃ to 25.06℃.It would be decreased gradually when the soil temperature was higher than 30.86℃.A multiple linear regression model was constructed by analyzing the relationship between the sap flow rate and meteorological factors.The model could be used to calculate the potential sap flow in practical production,and to manipulate a reasonable water-saving irrigation system.

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备注/Memo

备注/Memo:
 收稿日期:2019-09-23修回日期:2020-07-22
基金项目:2018年度甘肃科技计划项目:中国-土耳其油橄榄种质资源收集、评价、利用技术研究(18YF1WA017);陇原青年创新人才扶持计划“油橄榄耗水规律及旱作栽培技术研究”。
作者简介:赵梦炯,高级工程师。研究方向:经济林栽培。E-mail:zmj.413@163.com
*通信作者:姜成英,研究员。研究方向:经济林。E-mail:jcytxb@126.com
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