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)
MARUYAMA Toshisuke,HASHIMOTO Iwao,TAKIMOTO Hiroshi,NAKADE Denichi	Assessment for nitrogen pollution loads from farmland, Japan, by objective yield and standard fertilizer usage	Paddy and water environment : journal of the international society of paddy and water environment engineering	16112490		2009-06-01	7	2	151-159	http://ci.nii.ac.jp/naid/10029235332/