@article{oai:rakuno.repo.nii.ac.jp:00004233, author = {HARADA, Isamu and YUZAWA, Koji and KOSEKI, Sadayuki}, issue = {1/2}, journal = {酪農学園大学紀要. 自然科学編}, month = {Oct}, note = {Bulletin}, pages = {29--51}, title = {The Equilibrium between available Nutrients in the Soil and Plants Nutrients absorbed by Forage with some Fertilization on Different Soils for Five Years}, volume = {17}, year = {1992} }