打孔对草坪枯草层及坪床土壤微生物活性和有机质含量的影响

›› 2013, Vol. 21 ›› Issue (1): 174-179.

打孔对草坪枯草层及坪床土壤微生物活性和有机质含量的影响

刘晓波, 杨春华, 徐耀华, 澹台国银, 贾露洁, 李涛

四川农业大学动物科技学院, 四川雅安 625000

收稿日期:2012-08-20 修回日期:2012-11-05 出版日期:2013-02-15 发布日期:2013-02-27
通讯作者: 杨春华
作者简介:刘晓波(1988-),男,甘肃兰州人,硕士研究生,研究方向为草坪管理,E-mail:sichnd@126.com;
基金资助:
国家农业部现代农业产业技术体系(牧草)(2009-2014)(NYCYTX-27-1-3)资助

Effect of Aeration on Turf and the Microbial Activity and Organic Matter of Soil

LIU Xiao-bo, YANG Chun-hua, XU Yao-hua, TANTAI Guo-yin, JIA Lu-jie, LI Tao

Department of Grassland Science, Sichuan Agriculture University, Ya’an, Sichuan Province 625014, China

Received:2012-08-20 Revised:2012-11-05 Online:2013-02-15 Published:2013-02-27

摘要/Abstract

摘要： 为探讨不同打孔密度对草坪枯草层及土壤微生物活性和有机质含量的影响,以匍匐翦股颖(Agrostis stolonifera L.)草坪为研究对象,通过不同打孔密度处理,分析测定了土壤及枯草层含水量、有机质含量以及微生物活性。结果表明:在120孔·m^-2处理2周时,枯草层中微生物活性增强,与60孔·m^-2及对照差异显著(P<0.05),处理4周之后,微生物活性降低,与对照差异不显著;60孔·m^-2处理在各时期均与对照差异不显著。说明不同打孔密度对枯草层微生物活动具有一定影响,但影响是短暂性的,并不能持续改变;而打孔对土壤微生物活性的影响并不明显。枯草层和土壤的含水量比有机质含量对微生物活动的影响更大;枯草层含水量与微生物活动关系更为密切(R²=0.9366),土壤含水量与微生物活动较枯草层含水量影响弱(R²=0.299)。因此,在草坪管理过程中,以120孔·m^-2定期打孔,可促进土壤微生物活动及土壤有机质积累。

关键词: 打孔, 微生物活性, 有机质含量

Abstract: The effect of aeration on the microbial activity, moisture and organic content of soil are discussed in creeping bentgrass turf. Results show that soil microbial activity is significantly enhanced in the plot of 120 holes per square meter after two weeks aeration compared with the plots of 60 holes per square meter and control. However, there is no obvious difference between the plot of 120 holes per square meter and control after four weeks aeration. The plot of 60 holes per square meter has no obvious difference compared with control during all tested time. Aeration increases soil microbial activity in a short period, which is related with aeration density. The effect of moisture on soil microbial activity is greater than that of organic content. The thatch moisture is more closely related with microbial activity than soil moisture. The correlation coefficient between soil microbial activity and thatch moisture is 0.9366, and soil moisture is 0.299.

Key words: Aeration, Microbial activity, Organic matter

中图分类号:

刘晓波, 杨春华, 徐耀华, 澹台国银, 贾露洁, 李涛. 打孔对草坪枯草层及坪床土壤微生物活性和有机质含量的影响[J]. , 2013, 21(1): 174-179.

LIU Xiao-bo, YANG Chun-hua, XU Yao-hua, TANTAI Guo-yin, JIA Lu-jie, LI Tao. Effect of Aeration on Turf and the Microbial Activity and Organic Matter of Soil[J]. , 2013, 21(1): 174-179.

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