Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIBAHARA F.,Effects of organic matter application on microbial biomass and available nutrients in various types of paddy soils,Soil Sci. Plant Nutr.,,,1997,43,,191-203,https://cir.nii.ac.jp/crid/1570572700143619584,