Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Hiroyuki Yashima and Hiroyuki Fujikake and Takashi Sato,Systemic and Local Effects of Long-Term Application of Nitrate on Nodule Growth and N2 Fixation in Soybean (Glycine max [L.] Merr.),Soil science & plant nutrition,00380768,Tokyo : Japanese Society of Soil Science and Plant Nutrition,2003-12,49,6,825-834,https://cir.nii.ac.jp/crid/1522543655532189184,https://doi.org/10.1080/00380768.2003.10410344