Application of the constant soil temperature layer for energy-saving control in the local environment of greenhouse crops II. Application to strawberry cultivation during the winter season

Yuta Miyoshi, Kota Hidaka, Takashi Okayasu, Daisuke Yasutake, Masaharu Kitano

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

For stable year-round production of greenhouse crops with sustainability and high profitability, it is essential to establish a system that encompasses energy-saving and year-round environmental control via the application of renewable energy resources. One such renewable energy resource is the constant soil temperature layer, which is widespread and easily accessible in agricultural fields. However, owing to the low heat capacity and conductivity of media such as soil and air, heat exchange with the constant soil temperature layer has been considered insufficient for temperature control of the entire air volume inside a greenhouse. Therefore, we utilized a novel local temperature control system based on heat exchange between the constant soil temperature layer and the ambient air surrounding greenhouse crops. In the present study, we applied this system to the elevated bed system of strawberry crops with no-heating culture during the winter season. The system, that control the ambient air temperature of strawberry crops, increased fruits yield compared with no-heating, and was estimated 45% reduction of heating load to maintain 8°C or more.

本文言語英語
ページ(範囲)37-40
ページ数4
ジャーナルEnvironmental Control in Biology
55
1
DOI
出版ステータス出版済み - 2017

All Science Journal Classification (ASJC) codes

  • Agronomy and Crop Science
  • Plant Science

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