[1]苑华臻,郭建斌*,刘岩,等. 抗蒸腾叶面肥对国槐幼苗水分利用效率的影响[J].西北林学院学报,2017,32(5):29-32.[doi:10.3969/j.issn.1001-7461.2017.05.06]
 YUAN Hua-zhen,GUO Jian-bin*,LIU Yan,et al. Effects of Anti-transpiration Foliar Fertilization Treatments on Water Use Efficiency of Sophora japonica[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(5):29-32.[doi:10.3969/j.issn.1001-7461.2017.05.06]
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 抗蒸腾叶面肥对国槐幼苗水分利用效率的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第5期
页码:
29-32
栏目:
出版日期:
2017-09-30

文章信息/Info

Title:
 Effects of Anti-transpiration Foliar Fertilization Treatments on Water Use Efficiency of Sophora japonica
文章编号:
1001-7461(2017)05-0029-04
作者:
 苑华臻1郭建斌1*刘岩1汪田野2王自力3
 (1.北京林业大学 水土保持学院,北京 100083;2.深圳市铁汉生态环境股份有限公司,广东 深圳 518040;3.北京北林先进生态环保技术研究院有限公司,北京 100083)
Author(s):
 YUAN Hua-zhen1GUO Jian-bin1*LIU Yan1WANG Tian-ye2WANG Zi-li3
 (1.College of Soil and Water Conservation,Beijing Forestry University,Beijing 100083,China; 2.Shenzhen Techand Ecology Environmental Limited by Share Ltd,Shenzhen,Guangdong 518040,China; 3.Beijing Beilin Advanced Ecological Environmental Protection Technology Research Institute Co.Ltd.Beijing100083,China)
关键词:
 抗蒸腾叶面肥国槐光合速率蒸腾速率水分利用效率
Keywords:
 anti-transpiration foliage fertilizer Sophora japonica photosynthetic rate transpiration rate water use efficiency
分类号:
S792.26
DOI:
10.3969/j.issn.1001-7461.2017.05.06
文献标志码:
A
摘要:
 近年来抗蒸腾叶面肥在干旱区造林绿化中得到了广泛应用,推动了该技术的研究与发展。为了得到使用效果更好的抗蒸腾叶面肥产品,设计对照比较试验,选择北方常用乡土绿化树种国槐为试验盆栽苗木,设置4种不同的叶面处理方式:自制抗蒸腾叶面肥A、自制抗蒸腾叶面肥B,市面购买的植物蒸腾抑制剂C及清水空白对照CK,试验期间通过Li-6400XT光合仪观测国槐苗木的光合速率和蒸腾速率,并根据水分利用效率的计算公式WUE=Pn/Tr得出不同叶面处理对国槐苗木水分利用效率影响的日变化曲线,比较不同的叶面处理方式对国槐苗木水分利用效率的作用效果,得出效果最优的叶面处理方式,为之后进一步推广应用提供试验依据。结果表明,自制抗蒸腾叶面肥A对提高国槐苗木的水分利用效率效果最佳,水分利用效率日变化最大值出现在8:00,在12:00左右出现了大幅下降,之后稍有回升,后又继续下降。
Abstract:
 In recent years,anti-transpiration foliar fertilizer had been widely used in afforestation of arid area,which promoted the research and development of this technology.In order to get anti-transpiration foliar fertilizer products which had better effects,a comparative experiment was designed,in which potted Sophora japonica seedlings were used as materials to be subjected to four different ways of foliar treatments: self-made anti-transpiration foliar fertilizer A,improved self-made anti-transpiration foliar fertilizer B,commercially available plant transpiration inhibitor C and pure water (control).Li-6400 photosynthesis instrument was used to observe photosynthetic rate and transpiration rate of S.japonica seedlings.According to the calculation of the water use efficiency-WUE=Pn/Tr,curves of diurnal variation of water use efficiency of the seedlings with different foliar treatments were obtained.Effects of different ways on water use efficiency were compared to provide basis for further popularization and application.The results showed that self-made anti-transpiration foliar fertilizer a had the best effect on improving water use efficiency.The maximum diurnal variation of water use efficiency appeared at 8 am.Then there was a sharp decline at noon,after a slight rebound,and then continued to decline.

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备注/Memo

备注/Memo:
 收稿日期:2017-03-20修回日期:2017-05-01
基金项目:深圳市铁汉生态环境股份有限公司资助(THRD003)。
作者简介:苑华臻,男,硕士,研究方向:林业生态工程与水土保持与荒漠化防治。E-mail:hope21@bjfu.edu.cn
*通信作者:郭建斌,男,教授,博士生导师,研究方向:生态环境工程与林业生态工程。E-mail:1196153618@qq.com
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