Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ono Toshiro and Tagami Oscar Kotaro,Effects of 15N-Urea Application to Trunk or Spurs after Peeling the Bark on Shoot Growth of ‘Pione’ Vines under Forced Condition,Horticultural Research (Japan),1347-2658,THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE,2003,2,2,93-96,https://cir.nii.ac.jp/crid/1390282680187420288,https://doi.org/10.2503/hrj.2.93