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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제49권 제2호
발행연도
2016.4
수록면
181 - 193 (13page)

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초록· 키워드

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This experiment was conducted to evaluate the effect of carbonized rice hull (CRH) application on soil carbon storage and N₂O emissions from upland soil. It was used at different rates of 0, 5, 10 and 20 Mg ㏊<SUP>-1</SUP>. During the Chinese cabbage cultivation, several soil chemical characteristics such as soil moisture, temperature and soil carbon were observed. Also, CO₂ and N₂O emissions were monitored. Soil organic matter contents slightly increased with carbonized rice hull applied in all the treatments. The soil carbon contents with application rate of 0, 5, 10 and 20 Mg ㏊<SUP>-1</SUP> were 0, 1.3, 1.2 and 2.6 g ㎏<SUP>-1</SUP>, respectively. It was observed that soil carbon content was higher with increasing CRH application rate. Total nitrogen contents of soil applied with CRH relatively decreased with the course of time. However, NO3-N contents in the soil with CRH application rate of 5, 10 and 20 Mg ㏊<SUP>-1</SUP> were 28.6, 25.7 and 21.5 ㎎ ㎏<SUP>-1</SUP> at the end of experiment, respectively. CO₂ emission at the 5 Mg ㏊<SUP>-1</SUP> application of CRH was higher about 18.9% than non-treatment, whereas those of 10Mg ㏊<SUP>-1</SUP> and 20 Mg ㏊<SUP>-1</SUP> treatment were lower 14.4% and 11.8% compared to non-treatment, respectively.Also, it was shown that N₂O emission reduced by 19.9, 28.3 and 54.0% when CRH was applied at 5, 10 and 20Mg ㏊<SUP>-1</SUP>, respectively.

목차

Introduction
Materials and Methods
Results and Discussion
Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-521-002836112