트랙터 장착형 일관작업 평두둑 복합기의 포장능률 및 비용 분석
Field Capacity and Cost Analyses of an Integrated Tractor Implement for Flat Ridge Preparation
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최근 밭농업의 기계화와 생력화에 대한 연구와 개발이 활성화되고 있다. 그러나 밭농업의 기계화율은비교적 낮을 뿐 아니라, 농작업이 단계별로 기계화되고 있기 때문에 밭농업의 생력화에 기여하지 못하고 있다. 따라서 본 연구의 목적은 밭농업을 생력화하기 위하여 구현한 일관작업 복합기의 포장능률 및비용분석을 통하여 생력화율을 평가하는데 있다. 경운·정지, 두둑성형, 방제, 멀칭 및 파종·정식모듈을 포함하여 다섯 작업모듈을 일관화한 복합기의 이론작업시간은 0.56hr/10a으로 관행과 비교하여 67%의 생력화율을 보였다. 유효포장능률은 0.09ha/hr로서 관행에 비하여 2.95배 우수하였고 부담면적은9.07ha로 평가되었다. 비용분석에서는 복합기의 초기구입비가 43% 절감되는 것으로 평가되었으며 시간당 비용과 단위면적당(10a) 비용은 관행에 비하여 각각 68% 및 58% 정도 절감되었다. 따라서 트랙터복합작업기를 이용한 일관화된 밭작업은 관행에 비하여 생력화에 상당히 기여하는 것으로 평가된다.
Abstract
Recently, interests in the research and development of labor-saving mechanization for uplandfield agriculture have increased. In reality, each farming operation is solely mechanized, so itdoes not contribute to promote labor-saving rate in upland agriculture. Therefore, the objectiveof this study is to evaluate labor-saving efficiency through field capacity and cost analyses forthe developed an integrated tractor implement for upland field farming. The theoretical workingtime of the integrated implement including five modules is 0.56 hr/10a, reducing 67% ofworking time comparing with that of conventional individual farming process. Effective fieldcapacity is 0.09 ha/hr, which is 2.95 times better than conventional practices and the arable areais evaluated to be 9.07 ha. In the cost analysis, the initial purchase cost is estimated to bereduced by 43%, and the cost per unit time(hour) and the cost per unit area(10a) were reduced68% and 58%, respectively. Therefore, a sequential field work using the integrated tractorimplement would contribute considerably to the labor-saving in the upland farming.
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