著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) PETERSON TA,Crop yield as affected by rotation and nitrogen rate : III,Com. Agron. J.,,,1989,81,,735-738,https://cir.nii.ac.jp/crid/1573105975754016768,