Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KITAMURA Yukio,The Comparative Response by Five Tropical Grasses to Fertilizer Nitrogen,Japanese Journal of Grassland Science,0447-5933,Japanese Society of Grassland Science,1980,26,2,151-156,https://cir.nii.ac.jp/crid/1390001205754134144,https://doi.org/10.14941/grass.26.151