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| Effect of adding nitrogen-doped carbon nanoparticles(N-CNPs) on soil nitrogen loss and base irons in red soil |
| Received:September 09, 2016 |
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| KeyWord:nitrogen-doped carbon nanoparticles(N-CNPs);red soil;nitrogen loss;base saturation |
| Author Name | Affiliation | | HU Wei | School of Life Science, Hunan University of Science and Technology, Xiangtan 411201, China | | XIANG Jian-hua | School of Life Science, Hunan University of Science and Technology, Xiangtan 411201, China | | XIANG Yan-ci | School of Life Science, Hunan University of Science and Technology, Xiangtan 411201, China | | ZHOU Lian | School of Life Science, Hunan University of Science and Technology, Xiangtan 411201, China | | CHEN Yan | School of Life Science, Hunan University of Science and Technology, Xiangtan 411201, China |
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| Abstract: |
| Indoor simulated leaching approach of soil column was used to study effects of nitrogen-doped carbon nanoparticles(N-CNPs)with urea on nitrogen loss and base irons from red soils. The results showed that the rate of nitrogen loss decreased with the increased of N-CNPs after the red soils were leached with simulated acid rain 4.38 in pH, and the nitrogen loss rate under 15‰ N-CNPs treatment was only 49.45 percent of the urea treatment. After leaching, the rate of nitrogen loss was no significant different between 5‰ N-CNPs treatment and 5% DCD treatment. As applying N-CNPs, the amount of exchangeable bases in leaching water was lower than that in the CK1 treatment, the content was characterized by Ca2+ > Mg2+ > Na+ > K+, the base saturation and the soil pH were decreased, and there was a positive correlation between base saturation and the application content of N-CNPs. The result of correlation analysis showed that the applying of N-CNPs was the main reason which reducing nitrogen loss by improving of the base saturation and the soil pH value. |
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