지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
The main objective of this research was to estimate the total mass of nitrogen discharged from various sources in paddy field area of South Korea in 2010 and 2013. Input and output budgets for nitrogen were estimated by mass balance approach. The mass balance approach reduces the effect of flow variations, and the large scale approach minimizes local effects, resulting in easier and faster establishment of strategy for nonpoint pollution problems. Nitrogen inputs were chemical fertilizer, compost, atmospheric deposition, biological fixation, and agricultural water, while crop uptake, denitrification, volatilization, and infiltration were nitrogen outputs. The estimated total nitrogen inputs for paddy field in South Korea were 266,211 ton yr<SUP>-1</SUP> , 260,729 ton yr<SUP>-1</SUP>, while those of total nitrogen outputs were 168,463 ton yr<SUP>-1</SUP>, 164,994 ton yr<SUP>-1</SUP> in 2010 and 2013, respectively. Annual amounts of potential nitrogen outflow from paddy field were 97,748 ton yr<SUP>-1</SUP>, 95,735 ton yr<SUP>-1</SUP> in 2010 and 2013. Also, annual rate of potential nitrogen outflow were 36.7%, 36.7% in 2010 and 2013, respectively.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (18)
참고문헌 신청
Bashkin, V.N., S.U. Park, M.S. Choi, and C.B. Lee. 2002. Nitrogen budgets for the Republic of Korea and the Yellow Sea region. Biogeochem. 57(58):387-403.
Han, K.H. 2011. Characteristics of Non-Point Sources Pollutant Loads at Paddy Plot Located at the Valley Watershed during Irrigation Periods. Kor. Comm. Irrig. Drain. 18(1):94-102.
Kim, M.K., K.A. Roh, N.J. Lee, M.C. Seo, and M.H. Koh. 2005. Nutrient Load Balance in Large-Scale Paddy Fields during Rice Cultivation. Korean J. Soil Sci. Fert., 38(3): 164-171.
Kyaw, K.M., K. Toyota, M. Okazaki, T. Motobayashi, and H. Tanaka. 2005. Nitrogen balance in a paddy field planted with whole crop rice (Oryza sativa cv. Kusahonami) during two rice-growing seasons. Biol. Fertil. Soils. 42:72-82.
Leip, A., W. Britz, F. Weiss, and W. Vries. 2011. Farm, land, and soil nitrogen budgets for agriculture in Europe calculated with CAPRI. Environ. Pollut. 159:3243-3253.
Han, K.H. 2011. Characteristics of Non-Point Sources Pollutant Loads at Paddy Plot Located at the Valley Watershed during Irrigation Periods. Kor. Comm. Irrig. Drain. 18(1):94-102.
Kim, M.K., K.A. Roh, N.J. Lee, M.C. Seo, and M.H. Koh. 2005. Nutrient Load Balance in Large-Scale Paddy Fields during Rice Cultivation. Korean J. Soil Sci. Fert., 38(3): 164-171.
Kyaw, K.M., K. Toyota, M. Okazaki, T. Motobayashi, and H. Tanaka. 2005. Nitrogen balance in a paddy field planted with whole crop rice (Oryza sativa cv. Kusahonami) during two rice-growing seasons. Biol. Fertil. Soils. 42:72-82.
Leip, A., W. Britz, F. Weiss, and W. Vries. 2011. Farm, land, and soil nitrogen budgets for agriculture in Europe calculated with CAPRI. Environ. Pollut. 159:3243-3253.
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UCI(KEPA) : I410-ECN-0101-2016-521-002650587