Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAKEBE Masako and ISHIHARA Toshiyuki and MATSUNO Kouji and FUJIMOTO Junko and YONEYAMA Tadakatsu,"Effect of Nitrogen Application on the Contents of Sugars, Ascorbic Acid, Nitrate and Oxalic Acid in Spinach (Spinacia oleracea L.) and Komatsuna (Brassica campestris L.)",Japanese Journal of Soil Science and Plant Nutrition,0029-0610,Japanese Society of Soil Science and Plant Nutrition,1995,66,3,238-246,https://cir.nii.ac.jp/crid/1390282681532533376,https://doi.org/10.20710/dojo.66.3_238