Development of Circulating-Type Movable Bench System for Strawberry Cultivation

DOI Web Site 被引用文献11件 参考文献1件 オープンアクセス
  • HAYASHI Shigehiko
    Bio-oriented Technology Research Advancement Institution, National Agriculture and Food Research Organization
  • SAITO Sadafumi
    Bio-oriented Technology Research Advancement Institution, National Agriculture and Food Research Organization
  • IWASAKI Yasunaga
    Miyagi Prefectural Agriculture and Horticulture Research Center
  • YAMAMOTO Satoshi
    Bio-oriented Technology Research Advancement Institution, National Agriculture and Food Research Organization
  • NAGOYA Takato
    Seiwa Co., Ltd.
  • KANO Kenzo
    Seiwa Co., Ltd.

書誌事項

公開日
2011
DOI
  • 10.6090/jarq.45.285
公開者
国立研究開発法人　国際農林水産業研究センター

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説明

One of the direct approaches for obtaining a high yield of strawberries is high-density cultivation. Such cultivation improves the efficiency of space utilization in a greenhouse; however, it requires the movement of planting benches. The aim of this study is to develop a circulating-type movable bench system for strawberry cultivation that realizes high-density cultivation and improves work efficiency. The developed system, which is 16.0 m long and 9.2 m wide, consists mainly of two longitudinal conveying units, two lateral conveying units, two nutrient supply units, a chemical sprayer, 62 planting benches, and a control unit. The design of the longitudinal conveying mechanism combining the rotating and sliding movements of rods for pulling the benches and a method of controlling the conveying units achieves effective circulation, resulting in a cycle time of 67.0 s during which the successive bench reaches the initial position. This cycle time could be shortened by increasing the speed of lateral conveying. The planting density obtained using this approach is 16.0 to 20.0 plants m-2, which is roughly 2 to 2.5 times the plant density obtained in the conventional method of cultivation. Furthermore, the four cultivars used in this study showed vigorous growth, and the cultivars Akihime and Moikko showed a marketable yield twice as high as the conventional yield.

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