|本期目录/Table of Contents|

[1]韩丛丛,杨阳,刘秉儒,等.围封年限对荒漠草原土壤有机碳、全氮、全磷与微生物量碳、氮等的影响[J].江苏农业科学,2017,45(16):260-263.
 Han Congcong,et al.Effects of enclosure years on soil organic carbon, total nitrogen, total phosphorus, microbial biomass carbon and microbial biomass nitrogen in desert steppe soil[J].Jiangsu Agricultural Sciences,2017,45(16):260-263.
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围封年限对荒漠草原土壤有机碳、全氮、全磷
与微生物量碳、氮等的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第45卷
期数:
2017年16期
页码:
260-263
栏目:
资源与环境
出版日期:
2017-08-20

文章信息/Info

Title:
Effects of enclosure years on soil organic carbon, total nitrogen, total phosphorus, microbial biomass carbon and microbial biomass nitrogen in desert steppe soil
作者:
韩丛丛1 杨阳1 刘秉儒1 谢应忠12 王利娟1
1.宁夏大学西北退化生态系统恢复与重建教育部重点实验室,宁夏银川 750021; 2.宁夏大学农学院,宁夏银川 750021
Author(s):
Han Congconget al
关键词:
土壤微生物有机碳全氮全磷
Keywords:
-
分类号:
S181
DOI:
-
文献标志码:
A
摘要:
以宁夏境内荒漠草原为研究对象,通过对比分析未围封与围封5、8、12、15年样地土壤有机碳、全氮、全磷含量以及土壤微生物量碳、氮含量与土壤酶活性的变化过程与规律,分析荒漠草原不同围封年限对土壤与土壤微生物的影响。结果表明,荒漠草原采取围封措施以后,土壤的有机碳含量、全氮含量和全磷含量均高于未围封样地,且随着围封时间的变化表现出相似的变化规律,即围封12年时含量最高,之后含量出现降低的趋势。0~10 cm和10~20 cm土层中,土壤碳氮比(C/N)与碳磷比(C/P)规律相同,均表现为先减小后增大。土壤氮磷比(N/P)则在各层土壤中表现出与土壤C/N值、C/P值相似的变化趋势。土壤微生物量碳和微生物量氮含量均高于未围封样地。由结果可知,在荒漠草原采取围封措施可以促进土壤微生物的活动,从而提高微生物量。同时,土壤微生物量C/N值随围封时间的延长先增大后减小。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2016-04-07
基金项目:国家自然科学基金(编号:31660168)。
作者简介:韩丛丛(1991—),女,山东邹平人,硕士研究生,主要从事植被和恢复生态学研究。E-mail:m18795214667@163.com。
通信作者:刘秉儒,博士,副研究员,硕士生导师,主要从事植被和恢复生态学研究。E-mail:bingru.liu@163.com。
更新日期/Last Update: 2017-08-20