[1]蔡马,韩蕊莲,靳淑静,等. 土壤干旱对黄土高原2种半灌木植物生长与耗水规律的影响[J].西北林学院学报,2012,27(06):26-32.
　CAI Ma,HAN Rui-lian,JIN Shu-jing,et al. Effect of Soil Drought on Growth and Water Consumption of Two Subshrub Species in Loess Plateau[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(06):26-32.
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 土壤干旱对黄土高原2种半灌木植物生长与耗水规律的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年06期
页码:
26-32
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
 Effect of Soil Drought on Growth and Water Consumption of Two Subshrub Species in Loess Plateau
文章编号:
1001-7461(2012)06-0026-07
作者:
 蔡马; 韩蕊莲; 靳淑静; 郭颖; 梁宗锁
 (1.仲恺农业工程学院 生命科学学院，广东 广州 510225；2.西北农林科技大学 水土保持研究中心, 陕西 杨陵 712100; 3.西北农林科技大学 生命科学院, 陕西 杨陵 712100; 4.中国科学院,水利部 水土保持研究所,陕西 杨陵 712100)
Author(s):
 CAI Ma; HAN Rui-lian;  JIN Shu-jing;  GUO Ying;  LIANG Zong-suo
 (1.College of Life Science, Zhongkai University of Agriculture and engineering, Guangzhou, Guangdong 510225, China;2.Center of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China; 3. College of Life Science, Northwest A&F University, Yangling, Shaanxi 712100, China; 4. Institute of Soil and Water Conservation, The Chinese Academy of Sciences and Ministry of Water Resource, Yangling, Shaanxi 712100, China)
关键词:
 ; 铁杆蒿;  达乌里胡枝子;  耗水特性;  水分利用效率
Keywords:
 ; Artemisia gmelinii;  Lespedeza davurica;  water consumption characteristic;  water use efficiency
分类号:
S718.512.3
文献标志码:
A
摘要:
 2种半灌木的耗水特性存在差异。2种半灌木的月耗水量及总耗水量均表现为：适宜水分＞中度干旱＞重度干旱。除了铁杆蒿在适宜水分下的月耗水主要集中在7、8、9月外，其他水分条件情况下，月耗水主要集中在6、7月份，且7月份达到峰值。同时，这2种半灌木在重度干旱和中度干旱下的日耗水高峰均出现在14:00，在适宜水分下，达乌里胡枝子呈双峰曲线，最高日耗水时段分别出现在10:00和14:00，铁杆蒿则与其他水分条件下的变化规律保持一致。干旱胁迫均抑制了2种半灌木地上部的生长，但提高了根冠比。土壤水分含量对两者的水分利用效率均有较大影响，达乌里胡枝子在中度干旱和重度干旱条件下水分利用效率均有提高，铁杆蒿在中度干旱下最高，而重度干旱下最小。

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