Korean Journal of Soil Science and Fertilizer (한국토양비료학회지)

Korean Society of Soil Science and Fertilizer (한국토양비료학회)
권호 표지

Optimum Condition of Peatmoss-Based Substrate for Growth of Red Pepper (Capsicum annuum L.) Plug Seedlings

피트모스 혼합상토를 이용한 고추 육묘용 최적 상토 개발

  • Lee, Hyun-Haeng (National Institute of Agricultural Science Technology) ;
  • Ha, Sang-Keon (National Institute of Agricultural Science Technology) ;
  • Kim, Ho-Jin (Dept. of Environmental Horticulture, The University of Seoul) ;
  • Kim, Kye-Hoon (National Institute of Agricultural Science Technology)
  • 이현행 (농촌진흥청 농업과학기술원) ;
  • 하상건 (농촌진흥청 농업과학기술원) ;
  • 김호진 (서울시립대학교) ;
  • 김계훈 (농촌진흥청 농업과학기술원)
  • Received : 2007.09.03
  • Accepted : 2007.09.28
  • Published : 2007.10.30
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Abstract

This study was carried out to assess optimum conditions of peatmoss-based substrates for red pepper plug seedlings. Peatmoss-based substrates prepared by mixing of peatmoss with vermiculite, perlite, rice hull and zeolite at various mixing ratios were used for growing pepper plug seedlings. The physical and chemical properties of the peatmoss substrate were analyzed by the CEN(European committee for standardization) method. Fresh and dry weights (shoot, root), leaf area, root length and T/R ratio (dry shoot weight/dry root weight) were determined at 55 days after sowing. The results showed that the growing media PVSZ 6 (peatmoss:silver vermiculite: zeolite=6:3.9:0.1) and PVGZ 6 (peatmoss:gold vermiculite: zeolite=6:3.9:0.1) can successfully be used for red pepper plug seedlings judging from dry weight and T/R ratio of the plug seedlings. The optimal ranges of total pore space, water volume, air volume, easily available water content and water buffering capacity of the peatmoss based growing media for pepper plug seedlings were 87~93%, 52~71%, 20~41%, 10~37% and 0.6~10%, respectively.

본 실험은 고추 육묘 생육에 가장 적합한 피트모스 혼합상토를 개발하고자 실시하였다. 상토재료는 국내외적으로 많이 이용하고 있는 유기성 원자재(피트모스, 훈탄)와 무기성 원자재(질석, 펄라이트, 제올라이트)를 혼합하여 배추를 육묘하였다. 상토는 CEN 분석법을 이용하여 분석하였다. 생육조사는 파종후 55일이 되었을때 실시하였고 생체중, 건물중, 엽면적, 최대근장, T/R(지상부 건물중/지하부 건물중)률을 조사하였다. 배추의 생육은 처리에 따라 차이를 나타냈는데 일반적으로 피트모스와 질석(골드, 실버), 제올라이트가 6:3.9:0.1로 혼합된 처리구 PVSZ 6과 PVGZ 6에서 양호한 생육을 나타냈다. 특히 지하부 건물중은 수치상으로 PVSZ 6과 PVGZ 6에서 가장 높았고 T/R률은 낮은 수치를 보여 지상부와 지하부가 서로 균형적으로 생육했음을 알 수 있다. 육묘 생육에 적합한 피트모스 혼합 상토의 물리성은 각각 지상부, 지하부, 엽면적에 따라 다르게 나타났다. 적정 물리성 상토 범위는 식물 생육에 있어 판단 기준이 되는 건물중(지상부, 지하부)과 묘의 균형적인 생육에 중요한 T/R률을 가지고 측정하였다. 위의 결과를 종합한 결과 고추 육묘 생육에 가장 적합한 피트모스 혼합 상토의 공극률은 87~93%, 액상 52~71%, 기상 20~41%, 유효수분 10~37%, 완충수분은 0.6~10%이었다.

Keywords

References

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