Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kamada Erika and Ishii Takanori and Ochiai Shoki and Ozaki Yukio,Effect of Nitrogen Fertilization on Dry Matter Production of Spinach for Processing,Horticultural Research (Japan),13472658,THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE,2025,24,1,73-81,https://cir.nii.ac.jp/crid/1390303697452948224,https://doi.org/10.2503/hrj.24.73