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) RAJARATHINAM P.,"Optimum plant population, seedling density and N levels for medium duration hybrid rice (Oryza sativa)",Indian J. Agr. Sci.,,,1999,69,,583-585,https://cir.nii.ac.jp/crid/1571980075528653824,