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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2010.12
- 수록면
- 435 - 449 (15page)
이용수
초록· 키워드
오류제보하기
Soils in the sloping uplands in Korea are subject to intensive land use with high input of agrochemicals and are vulnerable to soil erosion. Development of the environmentally sound land management strategy is essential for a sustainable production system in the sloping upland. This report addresses the status of upland agriculture and the best management practices for the uplands toward the sustainable agriculture. More than 60% of Korean lands are forest and only 21% are cultivating paddy and upland. Uplands are about 7% of the total lands and about 62% of the uplands are in the slopes higher than 7%. Due to the site-specificity of the upland, many managerial and environmental problems are occurring, such as severe erosion, shallow surface soils with rocky fragments, and loadings of non-point source (NPS) contaminants into the watershed. Based on the field trials, most of the sloping uplands were classified as Suitability Class Ⅲ-V and the major limiting factor was slope and rock fragments. Due to this, soils were over-applied with N fertilizer, even though N rate was the recommendation. This resulted in decreases in yield, degradation of soil quality and increases in N loading to the leachate. Various case studies drew management practices toward sustainable production systems. The suggested BMP on the managerial, vegetative, and structural options were to practice buffer strips along the edges of fields and streams, winter cover crop, contour and mulching farming, detention weir, diversion drains, grassed waterway, and slope arrangement. With these options, conservation effects such as reductions in raindrop impact, flow velocity, runoff and sediment loss, and rill and gully erosion were observed. The proper management practice is a key element of the conservation of the soil and water in the sloping upland.
목차
ABSTRACT
Ⅰ. Introduction
Ⅱ. Status of Sloping Upland Agriculture in Korea
Ⅲ. Management Strategies to Conserve Soil and Water Qualities in the Sloping Uplands: Summary
References
참고문헌 (21)
참고문헌 신청
1. [단행본] - Bailey, G.W. / 1979 / Best management practices for agriculture and silviculture: An integrated overview. in: Best management practices for agriculture and silviculture / Ann Arbor Sic. Pub. Inc. : 35 ~ 56
2. [학술지(정기간행물)] - Choi, J.D. / 2002 / Assessment of NPS Pollutant Loadings from Rural Watersheds with Respect to Land Use / J. Korean Soc. Water Quality 18 (2) : 47 ~ 55
3. [학술지(정기간행물)] - Choi, J.D. / 2000 / Soil quality assessment for environmentally sound agriculture in the mountainous soils-Analysis of sediment data and suggestion of best management practices-Korean J.Environ.Agric.19:202-205 / Korean J. Environ. Agric. 19 : 202 ~ 205
4. [학술지(정기간행물)] - Choi, J.D. / 1998 / Soil quality assessment for environmentally sound agriculture in the mountainous soils: physical properties of the soil and collection of sediment data / Korean J. Agric. Engineering 40 : 85 ~ 93
5. [단행본] - Lal, E. / 1994 / Soil processes and water quality / CRC Press : 398 ~
2. [학술지(정기간행물)] - Choi, J.D. / 2002 / Assessment of NPS Pollutant Loadings from Rural Watersheds with Respect to Land Use / J. Korean Soc. Water Quality 18 (2) : 47 ~ 55
3. [학술지(정기간행물)] - Choi, J.D. / 2000 / Soil quality assessment for environmentally sound agriculture in the mountainous soils-Analysis of sediment data and suggestion of best management practices-Korean J.Environ.Agric.19:202-205 / Korean J. Environ. Agric. 19 : 202 ~ 205
4. [학술지(정기간행물)] - Choi, J.D. / 1998 / Soil quality assessment for environmentally sound agriculture in the mountainous soils: physical properties of the soil and collection of sediment data / Korean J. Agric. Engineering 40 : 85 ~ 93
5. [단행본] - Lal, E. / 1994 / Soil processes and water quality / CRC Press : 398 ~
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UCI(KEPA) : I410-ECN-0101-2012-480-004012807