本稿以宮澤賢治晚年創作的文本－文語詩《副業》與童話《葛斯柯布德里的傳記》為主，探討兩部文本中描繪之商業化農業的意義。結果明確指出，宮澤賢治本身也對過去積極從事的商業化農業抱有負面評價，而這也對於作為涉入農業的知識分子所產生的自我批判有關聯。結合作為知識份子的敘述者與從事商業化農業的年輕農夫描繪而成的文語詩《副業》，描寫知識分子布德里與從事商業化農業的農民赤鬚間分歧的童話《葛斯柯布德里的傳記》；作者於兩文本中分別做了相對於自己作為知識份子立場的嘗試

The thesis focus on the meaning of description about commercial agriculture in Kenji Miyazawa's texts in his later years, mainly taking up the literary poetry ＂Sideline＂ and the children's story ＂The Biography of Gusukobudori＂. It clearly showed that Kenji also has negative assessment to himself actively attending in commercial agriculture in the past, and it has led to self-criticism against the involvement with agriculture as an intellectual. ＂Sideline＂, the literary poetry base on the integration of an intellectual narrator and a young farmer carrying out commercial agriculture, and ＂The Biography of Gusukobudori＂, the children's story of the differences between the intellectual Budori and the farmer Red Beard carrying out commercial agriculture; the attempts to relativize against his position as an intellectual have been made in these two texts respectively