한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제40권5호
  • /
  • Pages.369-376
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  • 2007
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  • 0367-6315(pISSN)
  • /
  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
권호 표지

코이어 혼합상토를 이용한 고추 육묘용 최적 상토개발

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

  • Lee, Hyun-Haeng (National Institute of Agricultural Science Technology) ;
  • Ha, Sang-Keon (National Institute of Agricultural Science Technology) ;
  • Kim, Kye-Hoon (Dept. of Environmental Horticulture, The University of Seoul)
  • 투고 : 2007.08.24
  • 심사 : 2007.09.30
  • 발행 : 2007.10.30
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초록

본 실험은 고추 육묘 생육에 가장 적합한 코이어 혼합상토를 개발하고자 실시하였다. 상토재료는 국내외적으로 많이 이용하고 있는 유기성 재료(피트모스, 훈탄)와 무기성 재료(질석, 펄라이트, 제올라이트)를 혼합하여 고추를 육묘하였다. 상토는 CEN 분석법을 이용하여 분석하였다. 생육조사는 파종후 55일이 되었을때 실시하였고 생체중, 건물중, 엽면적, 최대근장, T/R률(지상부 건물중/지하부 건물중)을 조사하였다. 고추의 생육은 처리에 따라 차이를 나타냈는데 일반적으로 코이어와 훈탄, 제올라이트가 8:1.9:0.1로 혼합된 처리구 CRZ 8과 코이어와 질석, 제올라이트가 6:3.9:0.1로 혼합된 처리구 CVSZ 6에서 양호한 생장을 나타냈다. 특히 생체중과 건물중이 모두 높았고 T/R률은 낮은 수치를 보여 지상부와 지하부가 서로 균형적으로 생육했음을 알 수 있다. 육묘 생육에 적합한 코이어 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/R률로 측정하였다. 본 연구 결과 고추 육묘 생육에 가장 적합한 코이어 혼합 상토의 공극률은 92~94%, 액상 52~60%, 기상 32~43%, 유효수분 18~21%, 완충수분은 0.9~8%로 나타냈다.

This experiment was carried out to investigate optimum conditions of coir-based substrates for the red pepper plug seedlings. Eleven different coir based substrates prepared by mixing of coir, vermiculite, rice hull, perlite, zeolite, mixed at different ratios were tested. The physical and chemical properties of the substrates were analyzed by the CEN (European committee for standardization) method. Fresh and dry weights of shoot and 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 CRZ 8(coir:rice hull: vermiculite=8:1.9:0.1) and CVSZ 6(coir:silver vermiculite: zeolite=6:3.9:0.1) can successfully be used for pepper plug seedlings judging from dry weight and T/R ratio of the plug seedlings. The optimal range of total pore space, water volume, air volume, easily available water content and water buffering capacity of the coir-based growing substrates for pepper plug seedlings were in the range of 92~94%, 52~60%, 32~43%, 18~21%, and 0.9~8%, respectively.

키워드

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