[1]江彬,毕银丽,申慧慧,等.氮营养与AM真菌协同对玉米生长及土壤肥力的影响[J].江苏农业学报,2017,(02):327-332.[doi:doi:10.3969/j.issn.1000-4440.2017.02.014]
 JIANG Bin,BI Yin-li,SHEN Hui-hui,et al.Synergetic effects of Arbuscular mycorrhizal fungus and nitrogen on maize growth and soil fertility[J].,2017,(02):327-332.[doi:doi:10.3969/j.issn.1000-4440.2017.02.014]
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氮营养与AM真菌协同对玉米生长及土壤肥力的影响()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2017年02期
页码:
327-332
栏目:
耕作栽培·资源环境
出版日期:
2017-04-30

文章信息/Info

Title:
Synergetic effects of Arbuscular mycorrhizal fungus and nitrogen on maize growth and soil fertility
作者:
江彬毕银丽申慧慧刘浩
(中国矿业大学<北京>煤炭资源与安全开采国家重点实验室,北京100083)
Author(s):
JIANG BinBI Yin-liSHEN Hui-huiLIU Hao
(State Key Laboratory for Coal Resources and Safe Mining, China University of Mining and Technology , Beijing 100083, China)
关键词:
氮营养丛枝菌根玉米抗逆特性土壤化学性质
Keywords:
nitrogen nutritionarbuscular mycorrhizal fungusmaizeresistance propertiessoil chemical properties
分类号:
S513.06
DOI:
doi:10.3969/j.issn.1000-4440.2017.02.014
文献标志码:
A
摘要:
针对东部草原煤矿区土壤贫瘠、生物种群单一以及植物抗逆性差等问题,采用盆栽方法研究了施氮(0 mg/kg、100 mg/kg)与接种丛枝菌根(AM)真菌(0 g/kg、50 g/kg)协同对玉米生长状况、抗逆性和根际土壤化学性状的影响。结果表明,单施氮、单接种AM真菌、联合施氮和接种AM真菌显著提高玉米干质量 23%~62%,全株氮吸收量 77%~538%,磷吸收量 39%~191%,钾吸收量 42%~135%。其中,施氮+接种AM真菌处理效果最好。同时,3个处理也显著提高叶片可溶性糖含量、降低相对电导率和脯氨酸含量,增强了其抗逆性。其中施氮+接种AM真菌处理的可溶性糖含量最高,相对电导率最低,单施氮处理的脯氨酸含量最低。同一施氮水平下,接种AM真菌显著降低土壤pH值,却显著增加了土壤电导率、速效磷含量、速效钾含量、土壤总球囊霉素(T-GRSP)含量和易提取球囊霉素(EE-GRSP)含量。与单接AM真菌处理相比,施氮+接种AM真菌处理能显著提高土壤电导率、速效钾含量和土壤易提取球囊霉素含量。综合来说,氮肥与AM真菌协同处理有利于促进菌根效应的发挥,促进玉米生长,有效改善土壤肥力,这为菌根肥料应用于东部矿区以进行微生物复垦和生态恢复提供了依据。
Abstract:
Aiming at the problems of poor soil, single biological population and poor stress resistances of plants in the coal mining area of Eastern Prairie of China, pot experiments were carried out to investigate the effects of nitrogen fertilization (0 mg/kg, 100 mg/kg) and inoculation of Arbuscular mycorrhizal (AM) fungus (0 g/kg, 50 g/kg) on maize growth, nutritional conditions, plant stress resistances, and rhizospheric soil chemical properties. The results showed that the treatments of solo nitrogen fertilization, solo inoculation of AM fungus, combination of nitrogen and AM fungus could significantly increase dry weight and plant nitroger, phosphorus, potassium concentration of maize, by 23%-62% and 77%-538%, 39%-191% and 42%-135%, respectively. The combination of nitrogen and AM fungus application exhibited the best effect. Meanwhile, above three treatments significantly increased leaf soluble sugar concentration, reduced relative electrical conductivity and proline concentration, with the combination of nitrogen and AM fungus showing the best effect as well. Under the same nitrogen level, the inoculation of AM fungus reduced the soil pH but increased soil electrical conductivity, available phosphorus and available potassium, T-GRSP and EE-GRSP. Compared with solo AM fungus application, combination of nitrogen fertilization and AM fungus increased soil conductivity, available potassium and EE-GRSP. Generally, combination of nitrogen fertilization and AM fungus inoculation could promote mycorrhizal effect and the growth of maize, and effectively improve the soil fertility.

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备注/Memo

备注/Memo:
收稿日期:2016-09-24 基金项目:国家重点研发计划项目(2016YFC0501106);国家自然科学基金项目(51574253) 作者简介:江彬(1991-),男,四川富顺人,硕士研究生,主要从事土地复垦与生态重建等研究工作。(E-mail)kdjiangbin@163.com 通讯作者:毕银丽,(E-mail)ylbi88@126.com
更新日期/Last Update: 2017-05-02