The Examination of Cost-effective Weeding Schedules Using Monte Carlo Simulation:

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  • Fukumoto Keiko
    Forestry and Forest Products Research Institute, Forest Research and Management Organization
  • Ota Tetsuji
    Institute of Decision Science for a Sustainable Society, Kyushu University
  • Mizoue Nobuya
    Faculty of Agriculture, Kyushu University
  • Yoshida Shigejiro
    Faculty of Agriculture, Kyushu University
  • Teraoka Yukio
    Faculty of Agriculture, Kagoshima University
  • Kajisa Tsuyoshi
    Faculty of Agriculture, Kagoshima University
  • Nishizono Tomohiro
    Forestry and Forest Products Research Institute, Forest Research and Management Organization
  • Hosoda Kazuo
    Forestry and Forest Products Research Institute, Forest Research and Management Organization

Bibliographic Information

Other Title
  • モンテカルロシミュレーションによるコスト対効果に優れた下刈りスケジュールの検討
  • モンテカルロシミュレーションによるコスト対効果に優れた下刈りスケジュールの検討 : 鹿児島大学附属高隈演習林のスギ林分を事例として
  • モンテカルロシミュレーション ニ ヨル コスト タイ コウカ ニ スグレタ シタガリ スケジュール ノ ケントウ : カゴシマ ダイガク フゾク コウクマ エンシュウリン ノ スギバヤシ ブン オ ジレイ ト シテ
  • A Case Study of the Sugi (<i>Cryptomeria japonica</i>) Stand in Takakuma Experimental Forest of Kagoshima University
  • ―鹿児島大学附属高隈演習林のスギ林分を事例として―

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<p>This study identified the cost-effective weeding schedules for reducing weeding cost. First, we used a Monte Carlo method to simulate 7-year-old sugi (Cryptomeria Japonica) mean height and cumulative weeding operation time under different combinations of weeding timing and frequency from 0 to 6 times after planting. Then, we calculated operation time per sugi mean height to express cost-effectiveness. Moreover, to evaluate the stability of the cost-effectiveness, we calculated coefficient of variation for sugi mean height, cumulative operation time and operation time per sugi height. Each coefficient of variation was lower when weeding frequency was equal to or more than three times. The operation time per sugi height decreased when weeding was conducted in the first or second year after planting. We conclude that the three-treatment weeding frequency including the first- or second-year weeding is more effective weeding for the reduction of weeding costs.</p>

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