발표자 : 배현석* (Korean Association of Soil and Water Conservation), 이광연 (Korean Association of Soil and Water Conservation), 박재완 (Korean Association of Soil and Water Conservation), 이진호 (Korean Association of Soil and Water Conservation), 서보성 (Korean Association of Soil and Water Conservation), 박소현 (Korean Association of Soil and Water Conservation), 용환택 (Korean Association of Soil and Water Conservation)