Bulletin of FFPRI, Vol.19 No.3 (No.455) October 2020

Table of Contents

Review article

• Relationship between nitrogen utilization characteristics and suitable growth area for Pinus densiflora Sieb. et Zucc. A consideration on nutritional physiology of forest trees(PDF:1,167KB) [in Japanese with English abstract]
  • Akio AKAMA, Takeo MIZOGUCHI and Junko NAGAKURA
  • DOI：10.20756/ffpri.19.3_221

Original article

• Changes in butterfly fauna of Rinshinomori Park, Tokyo, central Japan(PDF:1,002KB) [in Japanese with English abstract]
  • Takenari INOUE
  • DOI：10.20756/ffpri.19.3_245

Short communication

• Durability test of QR code labels for forest tree breeding(PDF:4,004KB) [in Japanese with English abstract]
  • Koji MATSUNAGA, Nobuaki TAKEDA, Tomohiro FUKUYAMA, Eitaro FUKATSU and Manabu KURITA
  • DOI：10.20756/ffpri.19.3_261

• Posture estimation accuracy of an excavator for information oriented construction of forest work road(PDF:922KB) [in Japanese with English abstract]
  • Hirokazu YAMAGUCHI, Hidenori SUZUKI, Tatsuya SASAKI, Sakuo ICHIKAWA and Nobuyasu YAMAUCHI
  • DOI：10.20756/ffpri.19.3_269

Research record

• Discovering original research reports from government-owned natural forests in the early Showa era(PDF:6,094KB) [in Japanese with English abstract]
  • Kaoru NIIYAMA, Mitsue SHIBATA, Hiroko KUROKAWA, Tetsuya MATSUI, Haruka OHASHI and Tamotsu SATO
  • DOI：10.20756/ffpri.19.3_275