@article{akimoto_ishiyama_nakamura_moriyama_tanaka, 
  title={Optimal planting density of peanut grown at Tokachi region}, 
  volume={253}, 
  DOI={10.14829/jcsproc.253.0_21}, 
  number={0}, 
  publisher={CROP SCIENCE SOCIETY OF JAPAN}, 
  author={Akimoto, Masahiro and Ishiyama, Shinji and Nakamura, Yuka and Moriyama, Sho and Tanaka, Ichiro}
  }