| 双氰胺(DCD)在砖红壤中硝化抑制效果的影响因素研究(英文) |
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| 引用本文： | 史云峰,赵牧秋,张丽莉. 双氰胺(DCD)在砖红壤中硝化抑制效果的影响因素研究(英文)[J]. （《农业科学与技术》）编辑部, 2011, 0(10) |
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| 作者姓名： | 史云峰 赵牧秋 张丽莉 |
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| 作者单位： | 琼州学院生物科学与技术学院;中国科学院沈阳应用生态研究所; |
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| 基金项目： | Supported by Scientific Research Project for Young Teachers of Qiongzhou University(QYQN201123); National Science and Technology Support Program(2011BAD11B04)~~ |
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| 摘 要： | [目的]研究砖红壤中施用硝化抑制剂双氰胺(DCD)时,DCD添加量及土壤理化性质如温度、含水量、有机质含量、pH等对硝化抑制效果的影响。[方法]采用室内好气培养方法。[结果]当DCD添加量为10mg/kg(土)时,硝化作用出现明显的延迟期,且抑制效果可持续至少56d。培养温度由10℃升高到30℃,硝化抑制作用持续时间由90d降为30d。DCD的硝化抑制效果随土壤含水量、有机质含量和pH升高而减弱,硝化抑制作用持续时间随土壤含水量、有机质含量和土壤pH降低而延长。[结论]增加施用量,降低土壤温度、含水量、有机质含量和pH值均可增强DCD在砖红壤中的硝化抑制效果。
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| 关 键 词： | 硝化抑制剂 双氰胺 砖红壤 温度 含水量 |
Research on the Factors Affecting Nitrification Inhibition of Dicyandiamide(DCD) in Latosol |
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| SHI Yun-feng,,ZHAO Mu-qiu,ZHANG Li-li .College of Biological Science , Technology,Qiongzhou University,Sanya . Research on the Factors Affecting Nitrification Inhibition of Dicyandiamide(DCD) in Latosol[J]. 农业科学与技术(英文版)Agricultural Science ＆ Technology, 2011, 0(10) |
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| Authors: | SHI Yun-feng ZHAO Mu-qiu ZHANG Li-li .College of Biological Science Technology Qiongzhou University Sanya |
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| Affiliation: | SHI Yun-feng~1,2*,ZHAO Mu-qiu~2,ZHANG Li-li~2 1.College of Biological Science and Technology,Qiongzhou University,Sanya 572022,2.Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang 110016 |
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| Abstract: | [Objective] This research aimed at studying the effects of application amount of DCD and physics and chemistry characteristics of soil such as temperature,moisture content,organic matter content and pH on the inhibition of nitrification when applying nitrification inhibitor DCD in latosol.[Method] The experiment was carried out under aerobic incubated conditions.[Result] A significant delay period of nitrification was observed when the application amount of DCD was 10 mg/kg soil,and the inhibition can at le... |
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| Keywords: | Nitrification inhibitor Dicyandiamide Latosol Temperature Moisture content |
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