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.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.4
- 수록면
- 218 - 225 (8page)
이용수
초록· 키워드
오류제보하기
This experiment was conducted in Suwon and Iksan city from 2012 to 2014 to evaluate soil erosion and nutrient loss from irrigated paddy fields during cropping period. Rainfall amount and rainfall erosivity of EI<SUB>30</SUB> were, on average, 1,026 ㎜ and 3,922 ㎜ ㏊<SUP>-1</SUP>yr<SUP>-1</SUP>hr<SUP>-1</SUP> for the cropping period, respectively, and the rainfall event with maximum EI<SUB>30</SUB> occurred in July. Annual average of runoff was 2,508 MT ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> in Suwon and 3,375 MT ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> in Iksan, accounting for 36% of rainfall of the cropping period. Nutrient loss by runoff, on average, was 7.0 ㎏ N ha<SUP>-1</SUP>yr<SUP>-1</SUP>, 1.3 ㎏ P ㏊<SUP>-1</SUP>yr<SUP>-1</SUP>, and 16.6 ㎏ K ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> ; N, P, and K loss were 5.0, 0.6, and 8.3 ㎏ ㏊<SUP>-1</SUP>yr<SUP>-1</SUP>, respectively, in Suwon and 8.9, 1.9, and 16.7 ㎏ ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> in Iksan. Soil loss in Korean paddy rice was evaluated as 0.33 MT ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> ranging from 0.05 MT ㏊<SUP>-1</SUP>yr<SUP>-1</SUP> to 0.88 MT ㏊<SUP>-1</SUP>yr<SUP>-1</SUP>. Amount of soil loss, however, depended on areas and year influenced by variation of rainfall amount and intensity. Interestingly, soil erosion in Iksan in 2012 was remarkably greater than those in other periods due to heavy rainfall between late May and June with soil flake dispersion right after the rice-planting season.
목차
Introduction
Materials and Methods
Results and Discussion
Conclusion
References
참고문헌 (23)
참고문헌 신청
[기타자료] - APHA / 2005 / Standard methods for the examination of water and wastewater, 21th ed
[학술지(정기간행물)] - Chen, S.K. / 2012 / Assessing soil erosion in a terraced paddy field using experimental measurements and universal soil loss equation / Catena 95 : 131 ~ 141
[학술지(정기간행물)] - 최진규 / 2012 / 우분 퇴비를 시용한 논에서의 유출수 특성 / 한국농공학회논문집 54 (3) : 29 ~ 36
[학술지(정기간행물)] - 최용훈 / 2009 / 평지밭과 고랭지밭의 비점오염에 대한 분석과 비교 / 한국물환경학회지 25 (5) : 682 ~ 688
[학술지(정기간행물)] - Kim, B. Y. / 1995 / Nutrient effluence by the outflowing water from the paddy field during rice growing season / Korean National Committee on Irrigation and Drainage 2 : 150 ~ 156
[학술지(정기간행물)] - Chen, S.K. / 2012 / Assessing soil erosion in a terraced paddy field using experimental measurements and universal soil loss equation / Catena 95 : 131 ~ 141
[학술지(정기간행물)] - 최진규 / 2012 / 우분 퇴비를 시용한 논에서의 유출수 특성 / 한국농공학회논문집 54 (3) : 29 ~ 36
[학술지(정기간행물)] - 최용훈 / 2009 / 평지밭과 고랭지밭의 비점오염에 대한 분석과 비교 / 한국물환경학회지 25 (5) : 682 ~ 688
[학술지(정기간행물)] - Kim, B. Y. / 1995 / Nutrient effluence by the outflowing water from the paddy field during rice growing season / Korean National Committee on Irrigation and Drainage 2 : 150 ~ 156
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UCI(KEPA) : I410-ECN-0101-2016-521-002836152