| 土壤有机质含量与土壤脲酶活性关系的研究 |
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| 引用本文： | 焦晓光,隋跃宇,张兴义.土壤有机质含量与土壤脲酶活性关系的研究[J].农业系统科学与综合研究,2008,24(4). |
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| 作者姓名： | 焦晓光 隋跃宇 张兴义 |
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| 作者单位： | 1. 黑龙江大学,农业资源与环境学院,黑龙江,哈尔滨,150080
2. 中国科学院,东北地理与农业生态研究所,黑龙江,哈尔滨,150081 |
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| 基金项目： | 国家自然科学基金，黑龙江省教育厅科学技术研究项目 |
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| 摘 要： | 利用空间移位长期定位试验,开展了土壤有机质含量与土壤脲酶活性及土壤铵态氮含量关系的研究。结果表明:土壤脲酶活性、土壤铵态氮含量在玉米生育期的变化是:灌浆期>大喇叭口期>收获期;在5种土壤有机质含量土壤中,土壤脲酶活性、土壤铵态氮含量与土壤有机质含量呈正相关,北安>嫩江>海伦>德惠>梨树。
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| 关 键 词： | 土壤脲酶活性 有机质 土壤NH4 -N含量 土壤温度 |
Study on the Relationship Between Soil Organic Matter Content and Soil Urease Activity |
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| JIAO Xiao-guang,SUI Yue-yu,ZHANG Xing-yi.Study on the Relationship Between Soil Organic Matter Content and Soil Urease Activity[J].System Sciemces and Comprehensive Studies In Agriculture,2008,24(4). |
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| Authors: | JIAO Xiao-guang SUI Yue-yu ZHANG Xing-yi |
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| Abstract: | Urease activity and NH 4-N contents in 5 kinds of soils with different contents of organic matter were measured,and their changes in the course of the growth of maize and differences in the different soils were made sure.The relationship of soil organic matter content and urease activity/NH 4-N contents were determined by use of the long-term fixed-site experiment about space removal of soil.The results showed that the changes of urease activity/NH 4-N contents in the growth course of maize were as:grain-filling stage>big flare opening stage> harvest stage.Soil organic matter content positively correlated with urease activity and NH 4-N contents for 5 kinds of soils with different contents of organic matter,and the ranking of urease activity NH 4-N contents in 5 different-origin soils were as:Beian>Nenjiang>Hailun>Dehui>Lishu. |
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| Keywords: | soil urease activity organic matter soil NH 4-N content soil humidity |
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