…The soil cultivated by the plow is in the form of strips or large clods, which must be broken up by a soil breaker. In this sense, plowing with a plow is called primary cultivation. There are two types of plows: moldboard plows, which have a moldboard, and disc plows, which have a part of a ball cut out and a blade attached to the edge. … *Some of the terminology that refers to "primary cultivation" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…プラウで耕された土は帯状または大きな土塊であるので,これを砕土機で砕く必要がある。その意味でプラウによる耕起作業を一次耕という。プラウには発土板をもったモールドボードプラウと球の一部を切り出して周辺に刃をつけた形状のディスクプラウとがある。… ※「一次耕」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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