[1]刘玉涛,董智,李红丽,等.不同隔盐措施对滨海盐碱地白蜡光合作用日变化的影响[J].水土保持研究,2011,18(03):126-130.
　LIU Yu-tao,DONG Zhi,LI Hong-li,et al.Effect of Different Salt-isolation Treatments on Diurnal Variation of Photosynthesis of Fraxinus chinenesis in Coastal Saline-Alkaline Land[J].Research of Soil and Water Conservation,2011,18(03):126-130.
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不同隔盐措施对滨海盐碱地白蜡光合作用日变化的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年03期 页码: 126-130 栏目: 出版日期: 2011-06-20
Title:
Effect of Different Salt-isolation Treatments on Diurnal Variation of Photosynthesis of Fraxinus chinenesis in Coastal Saline-Alkaline Land
作者:
刘玉涛1, 董智1, 李红丽1, 赵名彦2, 丁国栋2
1. 山东农业大学 林学院, 山东省土壤侵蚀与生态修复重点实验室, 山东 泰安 271018;
2. 北京林业大学 教育部水土保持与荒漠化防治重点实验室, 北京 100083
Author(s):
LIU Yu-tao1, DONG Zhi1, LI Hong-li1, ZHAO Ming-yan2, DING Guo-dong2
1. College of Forestry, Shandong Agricultural University, Shandong Province Key Laboratory of Soil Erosion and Ecological Rehabilitation, Tai’an, Shandong 271018, China;
2. Key Laboratory of Soil and Water Conservation and Desertification Combating of Ministry of Education, Beijing Forestry University, Beijing 100083, China
关键词:
光合作用; 净光合速率; 隔盐层; 滨海盐碱地; 白蜡
Keywords:
photosynthesis; net photosynthetic rate; salt-isolation layer; coastal saline-alkaline land; Fraxinus chinenesis
分类号:
S718.43
摘要:
为了探索不同隔盐措施对滨海盐碱地白蜡光合作用日变化的影响，为盐碱地造林树种及改良措施的选择提供理论依据，通过田间试验，以不设隔盐层为对照，研究了在栽植穴底部铺设炉渣和沙子作为隔盐层处理下白蜡光合作用的日变化。结果表明：铺设隔盐层可以显著降低土壤电导率；炉渣隔盐处理显著提高白蜡的净光合速率、蒸腾速率、气孔导度；沙子隔盐处理可显著提高净光合速率，而对蒸腾速率、气孔导度的提高效果不及炉渣隔盐处理；两种隔盐处理均可降低非气孔因素对光合的限制。由于两种隔盐物质的物理性质不同，炉渣隔盐处理比沙子隔盐处理更能降低土壤电导率、促进光合作用。
Abstract:
In order to quest the effect of different salt-isolation treatments on diurnal variation of photosynthesis of Fraxinus chinenesis in coastal saline-alkaline land,supply the theoretical basis for selecting suitable tree species and improvement measures,photosynthetic diurnal variations of Fraxinus chinenesis were measured under the treatments with slag and sand set at the bottom of tree pits as the salt-isolated layer in the field.The results showed that,salt-isolation treatment could significantly reduce the soil electrical conductivity.Slag treatment significantly increased net photosynthetic rate,transpiration rate and stomatal conductance.Sand treatment also significantly increased photosynthetic rate.Slag treatment was better than sand treatment in terms of increasing transpiration rate and stomatal conductance.Both of the two measures reduced the limitation of photosynthesis by non stomatal factors.As the physical properties of slag and sand are different,slag treatment was better than sand treatment with regard to reducing the soil electrical conductivity and promoting the photosynthesis.

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备注/Memo

收稿日期:2010-10-19;改回日期:2010-11-22。
基金项目:国家“十一五”科技支撑项目“林业生态建设关键技术研究与示范”（2006BAD03A03）
作者简介:刘玉涛（1985－），男，山东临朐人，硕士研究生，主要从事水土保持与荒漠化防治研究。E-mai：liuyutaoaaa@163.com
通讯作者:李红丽（1972－），女，内蒙古赤峰人，博士，副教授，硕士生导师，主要从事荒漠化防治与植被恢复研究。E-mai：lhl@sdau.edu.cn

更新日期/Last Update: 1900-01-01