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

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

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 C...

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Veröffentlicht in:Fresenius environmental bulletin 2016-01, Vol.25 (9), p.3612-3621
Hauptverfasser: Lii, Jiabing, Su, Shaowei, Zhang, Liyan, Weng, Wenqiu, Yao, Deng, Zheng, Xueping, Lin, Mengyu, Shao, Hongbo
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container_issue 9
container_start_page 3612
container_title Fresenius environmental bulletin
container_volume 25
creator Lii, Jiabing
Su, Shaowei
Zhang, Liyan
Weng, Wenqiu
Yao, Deng
Zheng, Xueping
Lin, Mengyu
Shao, Hongbo
description 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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title TEMPORAL-SPATIAL DISTRIBUTION OF SOIL INORGANIC NITROGEN IN CYPERUS MALACCENSIS RHIZOSPHERE AND NON-RHIZOSPHERE
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