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TEMPORAL-SPATIAL DISTRIBUTION OF SOIL INORGANIC NITROGEN IN CYPERUS MALACCENSIS RHIZOSPHERE AND NON-RHIZOSPHERE

文献类型： 外文期刊

作者： Li, Jiabing 1 ; Su, Shaowei 2 ; Zhang, Liyan 3 ; Weng, Wenqiu 2 ; Yao, Deng 2 ; Zheng, Xueping 2 ; Lin, Mengyu 1 ; Shao, 1 ;

作者机构： 1.Fujian Normal Univ, Sch Geog Sci, Fuzhou 350007, Peoples R China

2.Fujian Normal Univ, Coll Environm Sci & Engn, Fuzhou 350007, Peoples R China

3.Fujian Min River Estuary Wetland Natl Nat Reserve, Fuzhou 350200, Peoples R China

4.Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Nanjing 210014, Peoples R China

关键词： Ammonium nitrogen;Nitric nitrogen;Rhizosphere;Cyperus malaccensis;Minjiang River estuary

期刊名称：FRESENIUS ENVIRONMENTAL BULLETIN （ 影响因子：0.489； 五年影响因子：0.479 ）

ISSN： 1018-4619

年卷期： 2016 年 25 卷 9 期

页码：

收录情况： SCI

摘要： The pilot-scale wetlands system and a specially-made root PVC chamber were used to cultivate Cyperus malaccensis in outdoor to study soil inorganic nitrogen temporal-spatial distribution characteristics in Cyperus malaccensis rhizosphere/non-rhizosphere. The results showed that different parts of Cyperus malaccensis had various interstitial water ammonium nitrogen content with time and space differences, ranging from 0.32 mg/L to 0.32 mg/L. The temporal-spatial distribution variability is the biggest among the non-rhizosphere, rhizosphere, root zone in time and space distribution with relative stability. Nitrate nitrogen in water was less than 0.12 mg/L to trace changes. Inorganic nitrogen of Cyperus malaccensis three partitions in the soil increases gradually over time. The non-rhizosphere distribution change is less than in the root zone and rhizosphere. There are no clear difference between different root system distributions.

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