[1]荆瑞勇,曹焜,刘俊杰,等.东北农田黑土土壤酶活性与理化性质的关系研究[J].水土保持研究,2015,22(04):132-137,142.
　JING Ruiyong,CAO Kun,LIU Junjie,et al.Correlation Between Soil Enzyme Activity and Physicochemical Characteristics in Agricultural Black Soils in Northeast China[J].Research of Soil and Water Conservation,2015,22(04):132-137,142.
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东北农田黑土土壤酶活性与理化性质的关系研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年04期 页码: 132-137,142 栏目: 出版日期: 2015-08-28
Title:
Correlation Between Soil Enzyme Activity and Physicochemical Characteristics in Agricultural Black Soils in Northeast China
作者:
荆瑞勇1,2, 曹焜1,2, 刘俊杰1, 于镇华1, 刘居东1, 隋跃宇1, 金剑1, 刘晓冰1, 王光华1
1. 中国科学院 黑土区农业生态重点实验室 东北地理与农业生态研究所, 哈尔滨 150081;
2. 黑龙江八一农垦大学, 黑龙江 大庆 163319
Author(s):
JING Ruiyong1,2, CAO Kun1,2, LIU Junjie1, YU Zhenhua1, LIU Judong1, SUI Yueyu1, JIN Jian1, LIU Xiaobing1, WANG Guanghua1
1. Key Laboratory of Mollisols Agroecology, Northeast Institute of Geography and Agroecology, Chinese academy of Sciences, Harbin 150081, China;
2. Heilongjiang Bayi Agricultural University, Daqing, Heilongjiag 163319, China
关键词:
黑土; 土壤酶活性; 土壤理化性状; 通经分析
Keywords:
black soil; soil enzyme activity; soil physicochemical characteristics; path analysis
分类号:
S154.2
摘要:
黑土是保证我国粮食安全的最重要的土壤资源之一，主要分布在我国的东北地区。为了调查我国黑土区土壤理化性状、土壤酶活性及两者间相互关系，我们从黑土区不同纬度农田采集了26个土壤样品，分析其土壤酶活性与微生物量碳（SMBC）及其它土壤理化性状的关系。结果发现，黑龙江北安黑土土壤全碳、全氮、全磷、碱解氮、SMBC、过氧化氢酶、脲酶及转化酶活性最大；简单相关分析发现，过氧化氢酶、脲酶、磷酸酶及转化酶均与土壤全氮、全碳及SMBC呈极显著正相关；通径分析表明，全氮是影响该土壤区土壤酶活性的主导因子，pH值是通过直接作用或间接作用影响过氧化氢酶活性的另一主导理化因子，全氮是脲酶活性的主导因子，碱解氮、全碳、全氮是磷酸酶活性的主导因子，全氮和pH值是影响转化酶的两大主导理化因子。
Abstract:
Black soil is one of most important resources in ensuring food security in China and spreads mainly in northeast China. To investigate the soil enzyme activity, physicochemical characteristic and their correlations, 26 soil samples were collected from black soil zone with different latitudes, the distribution trait of soil enzyme activity, correlation with soil microbial biomass carbon (MBC) and other physicochemical characteristics were analyzed. The results showed that the levels of soil total carbon, soil total nitrogen, total phosphate, available nitrogen, MBC, catalase, urease and invertase activity in site of Bei-An were maximum. Simple correlation analysis showed that there was a significantly positive correlation between four soil enzyme activities and soil total nitrogen, total carbon and MBC. The results of path analysis showed that soil total nitrogen was the dominant factor affecting soil enzyme activity of the tested soils, pH value was the other dominant factor affecting catalase activity in the direct or indirect ways, soil total nitrogen was dominant factor affecting urease activity, available nitrogen, soil carbon and total nitrogen were the dominant factors affecting soil phosphatase activity, soil total nitrogen and pH value were the key dominant factors affecting invertase activity in the tested zone.

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备注/Memo

收稿日期:2015-01-05;改回日期:2015-01-17。
基金项目:中国科学院战略性先导科技专项（B类）XDB15010103；中科院百人计划资助项目.
作者简介:荆瑞勇(1978-)男,内蒙古乌兰察布市人,博士,讲师,主要从事微生物生态方面的研究。E-mail:jry_2002@126.com
通讯作者:王光华(1966-)男,黑龙江海林人,博士,研究员,博士生导师,主要从事微生物生态方面研究。E-mail:wanggh@iga.ac.cn

更新日期/Last Update: 1900-01-01