@phdthesis{oai:obihiro.repo.nii.ac.jp:00004807,
 author = {八木, 哲生},
 month = {2022-09-06, 2022-09-06, 2022-09-06},
 note = {2021, application/pdf, 博士学位論文},
 school = {帯広畜産大学},
 title = {北海道における飼料用トウモロコシの合理的施肥法に関する研究},
 year = {}
}