3륜 승용관리기 부착 콩 파종기의 파종성능
Seeding Performance of the Bean Seeder Attached to the 3-wheel Riding Cultivator
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초록
본 연구는 3륜 승용관리기 복부 장착형의 회전 종자판식 2조 정밀 콩 파종작업기를 개발하여 장류 콩인대원 콩을 대상으로 시험 포장에서 설정 파종 주간거리에 따른 작업속도별 파종작업기의 파종성능을 분석하였다. 파종작업기 포장시험 결과 평균 파종 깊이는 2.34~3.98cm 범위로 나타났으며, 평균 주당 파종종자 수는 2.00~2.36개의 범위로 나타났고, 평균 파종 주간거리는 설정 주간거리 15, 20, 25cm일 때 각각 15.48~16.80, 20.04~22.04, 23.96~24.60cm의 범위로 나타났다. 평균 주당 출아 수는 1.89~2.12개로 약 90% 이상의 높은 출아율을 보였으며, 평균 출아 주간거리는 설정 주간거리 15, 20, 25cm일 때 각각 15.10~16.32, 19.84~20.45, 24.23~24.56cm의 범위로 나타났다. 콩 파종기는 설정 파종 주간거리15, 20, 25cm에서 파종 작업속도 약 1.7m/s까지 설정 주간거리에 대한 평균 출아 주간거리의 비율과 평균 주당 출아 수가 각각 96.9~108.8%, 1.89~2.12개로 나타나 매우 우수한 점파 파종성능을 보인 것으로판단되며, 파종 작업속도를 1.0m/s, 포장효율을 약 60%로 고려할 때 콩 파종작업기는 약 30a/h의 유효작업능률을 보일 것으로 예상되었다.
Abstract
The seed plate type precision bean seeder attached to the 3-wheel riding cultivator was designed andmanufactured. The bean seeder was tested in the field to analyze seeding performance for the soybean. Results from the seeding performance tests, the average seeding depths, and the average numbers ofseeds sown in a hill were measured to be in the ranges of 2.34~3.98 cm, 2.00~2.36, respectively. Andthe average hill distances of seeds sown at the setting hill distances of 15, 20, and 25 cm wereshown to be in the 15.48~16.80, 20.04~22.04, 23.96~24.60 cm ranges, respectively. The numbers ofestablishing seedlings in a hill were found to be in the 1.89~2.12 range, and the establishing rate ofseedlings was estimated to be approximately 90%. And at the setting hill distances of 15, 20, and 25cm, the average hill distances of establishing seedlings were measured to be in the 15.10~16.32,19.84~20.45, and 24.23~24.56 cm ranges, respectively. The seeder showed very good plating performanceat the setting hill distances of 15, 20, 25 cm, and the seeding speed of up to approximately 1.7 m/s,because the ratio of the average hill distance between the of establishing seedlings to the setting hilldistance and the numbers of establishing seedlings were in the ranges of 96.9~108.8%, and 1.89~2.12,respectively. Considering the field efficiency of 60%, and the seeding speed of 1.0 m/s, the effectivefield capacity of the seeder was estimated to be approximately 30 a/h.
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