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논문 기본 정보

자료유형
학술저널
저자정보
Kwang Seop Kim (Gyeongsangbuk-do Agricultural Research & Extension Services) Jun-Hong Park (Gyeongsangbuk-do Agricultural Research & Extension Services) Hye-Jeong Jeong (Gyeongsangbuk-do Agricultural Research & Extension Services) Jong-Soo Kim (Gyeongsangbuk-do Agricultural Research & Extension Services) So-jin Yeob (RDA) Seung-Oh Hur (RDA) Soon-Kun Choi (RDA)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제52권 제4호
발행연도
2019.11
수록면
375 - 380 (6page)

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This study aimed to identify the changing trends in the agricultural water quality of the major watersheds in Gyeongbuk province over a 5-year period ranging from 2013 to 2017. The results of water quality analysis revealed that the mean chemical oxygen demand was 3.6 mg L<SUP>-1</SUP><SUP></SUP>, with the median values being 3.3 mg L<SUP>-1</SUP>. The mean and median values of electrical conductivity (EC) were 0.24 dS m<SUP>-1</SUP> and 0.23 dS m<SUP>-1</SUP>, respectively. The mean and median values of the total nitrogen (T-N) content were 2.6 mg m-1 and 2.4 mg m<SUP>-1</SUP>, respectively. The mean and median values of the total phosphorous (T-P) content were 0.12 mg m<SUP>-1</SUP> and 0.11 mg m<SUP>-1</SUP>, respectively. EC and T-P contents had increased as the area ration of agricultural land increased, although there were no statistically significant differences. The trend of T-N content was reversed. Therefore, further researches are needed to evaluated contribution of artificial pollution such as livestock as well as change in flow rate.

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ABSTRACT
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UCI(KEPA) : I410-ECN-0101-2020-523-000120856