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Coulter (agriculture) : ウィキペディア英語版 | Coulter (agriculture)
A coulter or colter is a vertically mounted component of many plows that cuts an edge about deep ahead of a plowshare. Its most effective depth is determined by soil conditions. ==History== Its earliest design consisted of a knife-like blade.〔(【引用サイトリンク】publisher=1896 Sears Roebuck & Co. catalog )〕〔 Coulters with a flat rotating disc began being used c. 1900.〔(【引用サイトリンク】publisher=1896 Sears Roebuck & Co. Catalog )〕〔 Its advantage was a smoothly cut bank, and it sliced plant debris to the width of the furrow.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Coulter (agriculture)」の詳細全文を読む
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