| 荒漠绿洲带膜下滴灌土壤硝化-反硝化和呼吸作用的研究 |
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| 引用本文： | 卜东升,郑德明,姜益娟,张翠丽.荒漠绿洲带膜下滴灌土壤硝化-反硝化和呼吸作用的研究[J].干旱地区农业研究,2009,27(1):12-15. |
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| 作者姓名： | 卜东升 郑德明 姜益娟 张翠丽 |
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| 作者单位： | 1. 塔里木大学植物科技学院,新疆,阿拉尔,843300;新疆农一师农科所,新疆,阿拉尔,843300
2. 塔里木大学植物科技学院,新疆,阿拉尔,843300 |
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| 基金项目： | 新疆维吾尔自治区高校科研重点项目 |
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| 摘 要： | 采用气压过程分离(BaPS)方法研究了覆膜和裸地(CK)土壤在常规施肥和不施肥条件下的硝化-反硝化速率和呼吸速率,目的是探讨膜下滴灌土壤硝化-反硝化作用及呼吸作用的规律.结果表明:覆膜与裸地土壤在两种施肥水平下的硝化-反硝化速率及呼吸速率都有明显的季节变化;覆膜与裸地两种不同栽培措施的硝化-反硝化速率、呼吸速率差异极显著,在相同栽培措施下,不同施肥处理间的硝化-反硝化、呼吸速率也达极显著水平;硝化-反硝化速率、呼吸速率在不同栽培措施和不同施肥水平下大小排列为:覆膜＞裸地,常规施肥＞不施肥.可见,农业栽培措施和不同施肥水平对土壤硝化-反硝化及呼吸作用都有一定的影响.
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| 关 键 词： | 气压过程分离 硝化速率 反硝化速率 呼吸速率 覆膜 |
Research on nit rification- denitrification and respi ration under mulch drip irrigation in desert oasis |
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| BU Dongsheng,ZHENG Deming,JIANG Yijuan,ZHANG Cuili.Research on nit rification- denitrification and respi ration under mulch drip irrigation in desert oasis[J].Agricultural Research in the Arid Areas,2009,27(1):12-15. |
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| Authors: | BU Dongsheng ZHENG Deming JIANG Yijuan ZHANG Cuili |
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| Institution: | 1.College of Plant Science and Technology;Tarim University;Alar;Xinjiang 843300;China;2.Institute of Agricultural Sciences;the First Agricultural Division;China |
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| Abstract: | As a new technique,BaPS(Barometric Process Separation) system was introduced to measure gross nitrification-denitrification rate and soil respiration rate of two different fertilization treatments of mulching plastic-film and bare land,and the goal was to discuss soil nitrification-denitrification and the respiration rule under mulch drip irrigation.The results show that:Soil nitrification-denitrification rate and respiration rate of the two different fertilization treatments have obvious seasonal variation... |
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| Keywords: | BaPS technique nitrification rate denitrification rate respiration rate plastic-film mulching |
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