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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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This study was aimed to estimate the total application cost and utilization of Turf grass VFS application through the field experiment. The experimentalplots were constructed in an upland field of Iksan city within the Saemangeum watershed. Turf grass was transplanted at the down-slope edge of thepollution source area in each of the treated plots. Three rainfall events were monitored during the experiment period, and the rainfall-runoff relationshipsand NPS pollution reduction effects of the VFS systems were assessed. As results, the reduction ratio of runoff volume ranged 14.1∼64.0 %, while theNPS pollution reduction ratio ranged 9.8∼73.9 % for SS, 24.0∼84.2 % for T-N, 31.6∼80.9 % for T-P respectively. The total cost of VFS application wasestimated by considering purchase cost of Turf grass sods and construction and maintenance costs of VFS system as well as the loss caused by giving upcrop cultivation for the area needed to construct the VFS. The total cost of the VFS was estimated to be approximately \3,379,000/ha/year for the firstyear of application, and this cost could be decreased to \1,899,000/ha/year from the second year as the construction cost of VFS could no longer need tobe counted afterwards. Apart from the NPS pollution reduction effects, the possible utilization of VFS was examined by detaching Turf grass within 40% of VFS area for sale during spring time when the VFS systems fully covered. The benefit of selling the detached Turf grass sods was estimated as\1,260,000/ha/year, and also found that the VFS area successfully recovered by the time of the summer period. This benefit could attract farmers to adoptthe VFS technique to manage agricultural NPS pollution.
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참고문헌 (21)
참고문헌 신청
Choi, J. Y / 2014 / Direction of NPS pollution management policy. Water Policy Vision 2 (4) : 20 ~ 25
Dillaha, T. A. / 2010 / Evaluation of vegetative filter strips as a best management practice for feed lots / Journal of Water Pollution Control Federation 60 (7) : 1231 ~ 123
Jang, J. R. / 2011 / Development of agricultural NPS pollution reduction measures on Saemangeum watershed / Magazine of Korea Water Resources Association 44 (7) : 37 ~ 43
Lee G. J. / 2005 / Reduction of soil loss by rod culture of rye and corn on radish in Daegwallyeong highland / International symposium & conference of the Plant Resources Socie
Marc D. / 2009 / Reduction in agricultural non-point source pollution in the first year following establishment of an integrated grass/tree filter strip system in southern Q
Dillaha, T. A. / 2010 / Evaluation of vegetative filter strips as a best management practice for feed lots / Journal of Water Pollution Control Federation 60 (7) : 1231 ~ 123
Jang, J. R. / 2011 / Development of agricultural NPS pollution reduction measures on Saemangeum watershed / Magazine of Korea Water Resources Association 44 (7) : 37 ~ 43
Lee G. J. / 2005 / Reduction of soil loss by rod culture of rye and corn on radish in Daegwallyeong highland / International symposium & conference of the Plant Resources Socie
Marc D. / 2009 / Reduction in agricultural non-point source pollution in the first year following establishment of an integrated grass/tree filter strip system in southern Q
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