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Development of Ridger and Vinyl Mulcher for Power Tiller

Ridger and vinyl mulcher for 8-10 PS power tiller which were distributed at the rate of one out of 2.3 farm households in Korea, was developed to ease the labor shortage of tobacco production. Devices wheel shaft extension by 30cm at both sides improved the stability of straight drive and enabled to save required labor hours by 50% for ridging at sloping field. Screw type blades were attached on center drive rotavator shaft, gear set was deviled to reverse the rotavator, and it was good at need to adjust the width and height for ridge. As the results, required labor hours for ridging and vinyl mulching could be saved by 90% as compared to conventional manual method after cattle plowing, and by 50% as compared to conventional power tiller method.