Development of High Speed Ridge Forming Seeder for Soybeans Adapting to Moist Soil Conditions

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  • 湿潤土壌に対応した大豆用高速畝立て播種機の開発
  • 湿潤土壌に対応した大豆用高速畝立て播種機の開発 : ディスクによる畝立てと播種機構の検討
  • シツジュン ドジョウ ニ タイオウ シタ ダイズヨウ コウソク ウネ タテ ハシュキ ノ カイハツ : ディスク ニ ヨル ウネ タテ ト ハシュ キコウ ノ ケントウ
  • —Study of Disk Cultivation Ridging and Seeding Mechanism—
  • —ディスクによる畝立てと播種機構の検討—

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Abstract

<p>In recent years, the Japanese government has encouraged soybean planting. However, the suitable seeding period is only for 2 weeks, and more than 80 % of soybean fields are converted from rice paddy. The purpose of this study was to improve existing seeding techniques for rapid and stable seeding of soybean in moist soil conditions. A machine that combines rotary cultivation, ridging, and seeding has previously been developed. However, operation speeds were as slow as 0.3-0.6 m/s, and seeding was not effective in the moist soil conditions. In this study, we tested an experimental machine with disk cultivation that achieved a maximum ridging speed of 2 m/s and a new, high seeding speed of 1.5 m/s, which ensured stable seeding.</p>

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