무경운 밭에서의 비점오염물질 저감효과 분석 = Analysis of NPS Pollution reduction from No-till Field

다국어 초록 (Multilingual Abstract)

Various Best Management Practices (BMPs) have been suggested to reduce soil erosion and non point source (NPS) pollutant loads from agricultural fields. However, very little research regarding water quality improvement with No-till (NT) has been performed in Korea. Thus, effects of NT were investigated in this study. The objective of the study was to investigate the effect of NT on the surface runoff and sediment discharge in a field. Eight experimental plots of $5{\times}30m$ in size and 3 % or 8 % in slope prepared on gravelly sandy loam soil were treated with Conventional-till (CT) and NT. Runoff and NPS pollution discharge were monitored and compared the treatments. The amounts of rainfall from 13 monitored events ranged from 28.7 mm to 503.5 mm. The runoff amount was reduced by 17.6~59.2 % in 3 % NT and 29.6~53.2 % in 8 % NT. The average NPS pollution loads of the 3 % NT plots and 8 % NT plot were reduced about 45.1~89.2 % and 47.7~98.0 % compared to those of the CT plots, respectively. This research revealed that NT can reduce the NPS pollution loads substantially as well as increase the crop yield. Runoff and NPS pollution loads reduction by NT method could be contribute to improve the water quality of streams in agricultural regions.

참고문헌 (Reference)

1 Yang S. K., 111-113,

2 신민환, "야채재배 밭에서 지표피복의 비점오염원 저감효과" 한국물환경학회 28 (28): 436-443, 2012

3 양승구, "시설고추 무경운 유기 재배의 생육 및 수량 특성과 생산비 절감효과" 한국유기농업학회 20 (20): 411-422, 2012

4 서세덕, "발전방류구 위치변화에 따른 저수지내 탁수변화 -대청댐을 대상으로-" 한국환경영향평가학회 20 (20): 225-232, 2011

5 최용범, "고랭지 밭 토양유실 방지를 위한 폴리머 소재(폴리아크릴아마이드 및 바이오폴리머)의 현장적용성 평가: 작물재배실험" 대한환경공학회 32 (32): 1024-1029, 2010

6 최용훈, "고랭지 밭 유역에서 융설과 강우유출로 발생하는 비점오염원의 특성 비교" 한국물환경학회 28 (28): 523-530, 2012

7 원철희, "경작지에서 볏짚거적의 비점오염물질 저감 평가" 한국농공학회 55 (55): 37-44, 2013

8 원철희, "강우유출수와 비점오염물질을 저감하기 위한 최적관리기법의 적용" 한국농공학회 55 (55): 1-7, 2013

9 J. Horowitz, "“No-till” Farming is a Growing Practice" USDA 2010

10 Novotny, V., "Water Quality: Prevention, Identification and Management of Diffeuse Pollution" John Wiley & Sons 1997

11 Sturgul, S. J., "Tillage and canopy cover effects on interrill erosion from first-year alfalfa" 54 : 1733-1739, 1990

12 Gómez-Paccard, C., "Soil–water relationships in the upper soil layer in a Mediterranean Palexerult as affected by no-tillage under excess water conditions–Influence on crop yield" 146 : 303-312, 2015

13 Ulén, B., "Soil tillage methods to control phosphorus loss and potentila side-effects: a Scandinavian review" 26 : 94-107, 2010

14 Kennedy, A. C., "Soil quality and water intake in traditional-till vs. no-till paired farms in Washington's Palouse region" 70 : 940-949, 2006

15 Tivet, F., "Soil organic carbon fraction losses upon continuous plow-based tillage and its restoration by diverse biomass-C inputs under no-till in sub-tropical and tropical regions of Brazil" 209 : 214-225, 2013

16 Matisoff, G., "Soil erosion and sediment sources in an Ohio watershed using beryllium-7, cesium-137, and lead-210" 31 : 54-61, 2002

17 Rural Development Administration, "Soil Chemical Properties in an Organic Corn Field as Affected by Green Manure and Tillage" 2013

18 "Rural Development Administration"

19 Armand, C. Bockstaller, "Runoff generation related to intra-field soil surface characteristics variability application to conservation tillage context" 102 : 27-37, 2009

20 U. S. EPA, "Result of the National wide Urban runoff Program" 1983

21 Tebrugge, F., "Reducing tillage intensity-a review of results from a long-term study in Germany" 53 (53): 15-28, 1999

22 Garcia, J. P., "One-time tillage of no-till: effects on nutrients, mycorrhizae, and phosphorus uptake" 99 : 1093-1103, 2007

23 Ministry of Environment, "Official test methods for water pollution"

24 Franklin, D. H., "Nutrient losses in runoff from conventional and no-till pearl millet on pre-wetted Ultisols fertilized with broiler litter" 113 : 38-44, 2012

25 Dabney, S. M., "Management and subsurface effects on runoff and sediment yield from small watersheds" 15 : 217-232, 2000

26 Puustinen, M., "Influence of cultivation methods on suspended solids and phosphorus concentrations in surface runoff on clayey sloped fields in boreal climate" 105 : 565-579, 2005

27 DeLaune, P. B., "Impact of tillage on runoff in long term no-till wheat systems" 124 (124): 32-35, 2012

28 Dabney, S. M., "History, residue, and tillageeffects on erosion of loessial soil" 47 (47): 767-775, 2004

29 Won, C. H., "Effects of rice straw mats on runoff and sediment discharge in a laboratory rainfall simulation" 189-190 : 1646-1169, 2012

30 Park, J. N., "Effect of Tillage Methods on Aggregate Stability and Organic carbon in Soils" 26 (26): 48-51, 2014

31 Yang, S. K., "Effect of Pepper Yields, Physical Properies and Microorganism under No Tillage Soil with Vinyl Greenhouse condition" 45 (45): 54-56, 2012