Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKADA M. and FUNAKI S.,Influence of variation of soil acidity on sepal color of Hydrangea macrophylla,Journal of the Japanese Society for Horticultural Science,00137626,THE JAPANESE SOCIETY FOR HORTICULTURAL SCIENCE,1967,36,1,122-130,https://cir.nii.ac.jp/crid/1390282681278016896,https://doi.org/10.2503/jjshs.36.122