| 氮肥缓释剂对水稻土壤脲酶活性、氮素转化及产量的影响 |
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| 引用本文： | 蒲改平,徐凤花,金学勇,徐诚蛟,潘俊波. 氮肥缓释剂对水稻土壤脲酶活性、氮素转化及产量的影响[J]. 通化师范学院学报, 2005, 26(2): 67-69 |
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| 作者姓名： | 蒲改平 徐凤花 金学勇 徐诚蛟 潘俊波 |
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| 作者单位： | 1. 山西省新绛县农业局,043100
2. 东北农业大学资环学院,黑龙江,哈尔滨,150030 |
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| 基金项目： | 黑龙江省科技重点攻关项目(2001~2003) |
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| 摘 要： | 主要研究水田使用尿素和生物肥料时，配加脲醇抑制剂以缓解尿素的集中水解，减少氨挥发和硝态氮的淋失，达到减少氮素损失的目的．试验结果表明：脲醇抑制剂对脲醇活性抑制持续时间及其尿素水解速度，随其用量增加而延长，而且随着时间的推移脲醇活性逐渐提高．当施用生物肥料时，由于土壤微生物数量大幅度增加，土壤脲醇活性增强，其抑制率略低于不施生物肥料，其它规律基本相同．
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| 关 键 词： | 脲醇抑制剂 脲醇活性 生物肥料 水稻 氮素转化 产量 |
| 文章编号： | 1008-7974(2005)02-0067-03 |
| 修稿时间： | 2004-10-05 |
Effect of Urease Inhibitor on Urease Activity, N- Transformation and Yield of Rice |
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| PU Gai-ping et al. Effect of Urease Inhibitor on Urease Activity, N- Transformation and Yield of Rice[J]. Journal of Tonghua Teachers College, 2005, 26(2): 67-69 |
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| Authors: | PU Gai-ping et al |
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| Abstract: | The effect of applying urea, biological fertilizer and urease inhibitor to rice on the N-transformation was studied.The result showed: The urease activity persistence and urea hydrolyzation were all changed with the using dosage of urease inhibitor, and the urease activity was increased as time increased. When added bio-fertilizer, the number of soil microorganism and urease activity were all increased but the inhibitor ability was decreased . The rice yield was increased by 9.83% -21.02%. |
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| Keywords: | urease inhibitor urease activity biological fertilizer rice |
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