[1]王树起,韩晓增,乔云发,等.不同供N方式对大豆生长和结瘤固氮的影响[J].大豆科学,2009,28(05):859-862.[doi:10.11861/j.issn.1000-9841.2009.05.0859]
　WANG Shu-qi,HAN Xiao-zeng,QIAO Yun-fa,et al.Soybean (Glycine max L.) Growth and Nitrogen Fixation as Affected by Different N Supplying Modes[J].Soybean Science,2009,28(05):859-862.[doi:10.11861/j.issn.1000-9841.2009.05.0859]
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不同供N方式对大豆生长和结瘤固氮的影响

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第28卷 期数: 2009年05期 页码: 859-862 栏目: 出版日期: 2009-10-25
Title:
Soybean (Glycine max L.) Growth and Nitrogen Fixation as Affected by Different N Supplying Modes
文章编号:
1000-9841(2009)05-0859-04
作者:
王树起1; 2; 韩晓增1; 乔云发1; 严君1; 李晓慧1
1.中国科学院 东北地理与农业生态研究所，黑龙江 哈尔滨 150081；
2.中国科学院 沈阳应用生态研究所，辽宁 沈阳 110016
Author(s):
WANG Shu-qi1; 2; HAN Xiao-zeng1; QIAO Yun-fa1; YAN Jun1; LI Xiao-hui1
1.Northeast Institute of Geography and Agricultural Ecology，Chinese Academy of Sciences,Harbin 150081，Heilongjiang；
2.Institute of Applied Ecology，Chinese Academy of Sciences，Shengyang 110016，Liaoning，China
关键词:
结瘤固氮; 持续供N; 非持续供N; 大豆
Keywords:
Nitrogen fixation; Continuous N supplying; Non-continuous N application; Soybean
分类号:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.05.0859
文献标志码:
A
摘要:
采用框栽试验方法对比研究了不同供N方式对大豆生长和结瘤固氮的影响。结果表明：持续供N和非持续供N对大豆生长有不同的影响，在苗期，非持续供N与持续供N相比，对大豆生长有较大的促进作用，而在花期以后则是持续供N对大豆生长的促进作用较大；持续供N和非持续供N对大豆结瘤固氮的影响不同，大豆根瘤数量表现为非持续供N＞持续供N＞无N，表明氮肥的持续施用对大豆根瘤的形成和生长有抑制作用，不利于大豆根瘤的生长发育；不论何种方式供N对大豆固氮酶活性和豆血红蛋白含量均有抑制作用，使固氮酶活性和豆血红蛋白含量显著降低，而且氮肥的持续施用对固氮酶活性和豆血红蛋白含量的抑制要显著高于非持续供N，表现为持续供N＜非持续供N＜无N，因此，氮肥的持续施用使大豆的固氮效率降低。
Abstract:
Nitrogen plays an important role in nitrogen fixation of soybean.A pot culture experiment was conducted to study the effect of different N supplying modes (such as continuous N supplying (CN，applied at sowing，seedling，flowering and podding stage，respectively) and non-continuous N supplying (NCN，applied at sowing stage as basal fertilizer)) on soybean growth and nitrogen fixation.The results showed that compared with continuous N supplying，non-continuous N supplying acted as higher promotion in soybean growth at seedling stage，however，after flowering stage，continuous N supplying showed higher promotion in soybean growth.Nodule number showed as following order：NCN>CN>CK，suggested that continuous N application restrained nodule formation and growth.Whether N continuous application or not continuous supplying，nitrogenase activity and leghemoglobin concentration all decreased compared with no N treatment，and the inhibition of N continuous supplying was higher than that of non-continuous N application，showed as continuous N supplying.

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备注/Memo

基金项目：中国科学院知识创新工程重要方向资助项目（KSCX2-YW-N-002, KZCX2-YW-407）；国家科技支撑计划资助项目 (2006BAD21B01)。

作者简介：王树起（1968-），男，副研究员，博士后，主要从事植物营养和土壤生态方面的研究。E-mail:wsq-200131@sohu.com。
通讯作者：韩晓增，研究员，博士生导师。E-mail:hanxz@cern.ac.cn。

更新日期/Last Update: 2014-09-18