不同品种及农作方式对盐碱地甘薯根际微生物的影响

doi:10.3976/j.issn.1002-4026.2013.01.006

J4 ›› 2013, Vol. 26 ›› Issue (1): 22-27.doi: 10.3976/j.issn.1002-4026.2013.01.006

不同品种及农作方式对盐碱地甘薯根际微生物的影响

纪婧琦，夏志洁，司红丽，戴美学

山东师范大学生命科学学院，山东济南 250014

收稿日期:2012-09-17 出版日期:2013-02-20 发布日期:2013-02-20
作者简介:纪婧琦（1987-)，女，硕士研究生，研究方向为耐盐植物根际土壤微生物研究。Email: joanna.rose@163.com
基金资助:
国家科技支撑计划项目(2009BADA7B05);山东省中青年科学家奖励基金（BS 2009SW030）

Impacts of different varieties and farming methods on rhizosphere soil microorganisms of sweet potato in saline and alkaline land

JI Jing-Qi, XIA Zhi-Jie, SI Hong-Li, DAI Mei-Xue

School of Life Sciences, Shandong Normal University, Jinan 250014, China

Received:2012-09-17 Online:2013-02-20 Published:2013-02-20

摘要/Abstract

摘要：

为了探明甘薯种植对盐碱地的改良效果，采用平板菌落计数方法研究了不同品种及农作方式对盐碱地甘薯根际土壤微生物的影响。结果表明，甘薯根际微生物数量的变化因品种不同而异，覆膜、适宜的种植密度（每亩约4 167株）、施加有机基肥均在不同程度上提高了土壤的微生物量。钾肥追肥试验结果表明，页面喷洒追肥比沟施对微生物数量的影响更显著，而钾肥以何种载体（K2HPO4或 KNO3）施加对其影响不大。

关键词: 甘薯, 根际微生物, 盐碱地, 品种, 农作方式

Abstract:

We employ plate counting to investigate the impacts of different varieties and farming methods on the rhizosphere soil microorganisms of sweet potato in order to reveal the improvement effect of sweet potato planting on saline and alkaline land. Results show that film, suitable density (4 167 plants/666.67 square meter) and organic fertilizer can improve the quantity of soil microbe to different extent. Results of potassium topdressing demonstrate that foliage spraying phosphoric fertilizer more significantly improve the quantity of rhizosphere soil microorganism than fertilizing potassium. However, potassium fertilized by K₂HPO₄ or KNO₃ does not have significant impacts.

Key words: sweet potato, rhizosphere soil microorganism, saline and alkaline land, variety, farming method

中图分类号:

Q938

纪婧琦，夏志洁，司红丽，戴美学. 不同品种及农作方式对盐碱地甘薯根际微生物的影响[J]. J4, 2013, 26(1): 22-27.

JI Jing-Qi, XIA Zhi-Jie, SI Hong-Li, DAI Mei-Xue. Impacts of different varieties and farming methods on rhizosphere soil microorganisms of sweet potato in saline and alkaline land[J]. J4, 2013, 26(1): 22-27.

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不同品种及农作方式对盐碱地甘薯根际微生物的影响

Impacts of different varieties and farming methods on rhizosphere soil microorganisms of sweet potato in saline and alkaline land

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