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植物研究 ›› 2004, Vol. 24 ›› Issue (3): 369-373.

• 论文 • 上一篇    下一篇

不同改良方法对盐碱土壤氮素营养状况的影响

孙国荣1,2, 彭永臻1,3, 岳中辉4, 阎秀峰5   

  1. 1. 哈尔滨工业大学市政环境工程学院, 哈尔滨 150006;
    2. 扬州大学生物科学与技术学院, 扬州 225009;
    3. 北京工业大学环境与能源工程学院, 北京 100022;
    4. 哈尔滨师范大学生物系, 哈尔滨 150080;
    5. 东北林业大学生命科学学院, 哈尔滨 150040
  • 收稿日期:2003-05-07 出版日期:2004-09-15 发布日期:2016-06-14
  • 作者简介:孙国荣(1964-), 男, 教授, 主要从事植物生理生态学和盐碱地改良及植被恢复研究工作。
  • 基金资助:
    国家自然科学基金项目(30270234), 国家863 重大科技专项(2003AA601010)和国家自然科学基金重点项目(50138010)

Effect of different ameliorative ways on the nutrition status of nitrogen of basification soil

SUN Guo-Rong1,2, PENG Yong-Zhen1,3, YUE Zhong-Hui4, YAN Xiu-Feng5   

  1. 1. School of Municipal and Environmental Engineering, Harbin Institute of Technology, Harbin 150006;
    2. College of Biosciences and Biotechnology, Yangzhou University, Yangzhou 225009;
    3. College of Environmental and Energy Engineering, Beijing Polytechnic University, Beijing 100022;
    4. Department of Biology, Harbin Normal University, Harbin 150080;
    5. College of Life Science, Northeast Forestry University, Harbin 150040
  • Received:2003-05-07 Online:2004-09-15 Published:2016-06-14

摘要: 采用浅耕翻、施用磷石膏、施用糠醛渣、施用有机肥、建植星星草人工草地或星星草+羊草人工草地等不同改良方法对盐碱土壤氮素营养影响的研究结果表明,不同改良方法与浅耕翻相比能不同程度地提高土壤全氮含量、碱解氮含量、氨化强度、固氮强度、蛋白酶活性、脲酶活性、硝酸还原酶活性和亚硝酸还原酶活性。其中,浅耕+有机肥+星星草+羊草处理对所测定盐碱土壤氮素营养及相关酶活性指标增加明显,同时,盐碱土壤氮素营养各指标间存在着一定的相关关系。

关键词: 盐碱土壤, 改良方法, 氨化强度, 固氮强度, 土壤酶活性, 氮素营养

Abstract: Based on the study of humus and enzyme activity in alkaline soil treated by different meliorative methods such as shallow plowing,phosphogypsum manuring,furfural residue,organic fertilizer,setting up manual meadow of Puccinellia tenuiflora or P.tenuiflora-Leymus chinensis and so on,the result showed that comparing shallow plowing,the content of total nitrogen,alkali-hydrolyzable nitrogen,the intensity of ammonification,nitrogen fixation,protease,urease,nitrate reductase and nitrite reductase activity increase with different degree treated by different meliorative methods.All indexes of soil nitrogen and enzyme activity increase notably with the method of shallow plowing mixing with organic fertilizer,planting of P.tenuiflora and L.chinensis.There are correlations among indexes of soil nitrogen.

Key words: alkalized soil, meliorative methods, ammonification, nitrogen fixation intensity, soil enzyme activity, nitrogen nutrition