한국환경과학회지 (Journal of Environmental Science International)

  • 제33권1호
  • /
  • Pages.17-25
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  • 2024
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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수경재배 잎들깨의 생육과 수량에 미치는 코이어 배지의 혼합비율 효과

Effect of Coir Substrate Mixing Ratios on the Growth and Yield of Perilla Leaves under Hydroponics

  • Pyeong-Sic Park (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Jong-Won Park (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Hye-Kyeong Hyeon (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Hyun-Sook Kim (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Soo-Sang Hahm (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Hak-Hun Kim (Chungcheongnam-do Agricultural Research and Extension Services) ;
  • Hyo-Gil Choi (Department of Horticulture, Kongju University)
  • 투고 : 2023.10.11
  • 심사 : 2023.11.30
  • 발행 : 2024.01.31
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초록

This study aimed to determine the most suitable coir substrate mixing ratio for optimizing the growth and yield of the "lpduelkkae 1" cultivar. We comprehensively analyzed the physicochemical properties, growth, and yields of four different substrate combinations: perlite (coir with mixing ratios of 70:30 (PC30), 50:50 (PC50), and 30:70 (PC70)) and 100% coir (C100). The results revealed substantial differences in substrate properties. C100 exhibited the highest total porosity and the lowest solid phase, indicating excellent air permeability. The pH levels and electrical conductivity (EC) values ranged from 5.4-6.8 and 1.2-3.1 dS·m-1, respectively. Leaf growth parameters, including length, width, and dry weight, showed positive correlations with high coir ratios, except for PC30. PC70 and C100 outperformed other substrates in stem growth, exhibiting superior stem diameter and fresh and dry weights. The quantity of marketable leaves was the highest in the C100 substrate. Furthermore, C100 comprised integrated levels of essential nutrients, such as Ca and Mg, owing to its high coir content. In conclusion, a coir ratio of approximately 70% (v/v) should be maintained in the substrate for creating an optimal cultivation environment. Furthermore, the selection of humidity-resistant varieties as well as precise nutrient and moisture management for different seasons and growth stages are crucial for a successful perilla leaf hydroponic cultivation.

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참고문헌

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