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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Spring-tooth harrow ： ウィキペディア英語版 Spring-tooth harrow A spring-tooth harrow, sometimes called a drag harrow, is a type of tine harrow, and is a largely outdated piece of farm equipment. It uses many flexible iron teeth mounted in rows to loosen the soil before planting. It is set in the ground and raised manually and cannot be backed up; this is why it has been replaced by more modern equipment such as the chisel plow and field cultivator. A drag harrow more specifically refers to a largely outdated type of soil cultivation implement that is used to smooth the ground as well as loosen it after it has been plowed and packed. It uses many flexible iron teeth usually arranged into three rows. It has no hydraulic functionality and has to be raised/adjusted with one or multiple manual levers. It is a largely outdated piece of farm equipment, having been replaced by more modern disc harrows and deeper, stiff-toothed rippers, however, smaller farmers still use them.〔 ==Uses== A drag harrow is used to loosen and even out soil after it has been plowed and packed. The drag harrow also kills some weeds that may be present, but it is not very efficient in doing so, and it is not one of its primary functions. 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「Spring-tooth harrow」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.