For fields, mountains, and forests, even though the acreage is capable of being represented only by the units of cho, tan, and se, 'bu' is usually applied to the end of those units so as to clarify the value is even.
田畑や山林について、面積の値が町・反・畝で終わるときに、通常、その後に「歩」をつけてちょうどの値であることを明示する。