생물환경조절학회지 (Journal of Bio-Environment Control)

  • 제21권3호
  • /
  • Pages.286-293
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  • 2012
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  • 1229-4675(pISSN)
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  • 2765-3641(eISSN)
한국생물환경조절학회 (The Korean Society for Bio-Environment Control)
권호 표지

유기과수원에 자생하는 여러해살이 초종 특성과 양분공급 추정

Estimation of Nutrient Contribution of Perennial Ground Covers in Organic Orchards and Growth Characteristics

  • 임경호 (국립원예특작과학원 배시험장) ;
  • 최현석 (국립농업과학원 유기농업과) ;
  • 송장훈 (국립원예특작과학원 배시험장) ;
  • 조영식 (국립원예특작과학원 배시험장) ;
  • 조광식 (국립원예특작과학원 배시험장) ;
  • 마경복 (국립원예특작과학원 배시험장) ;
  • 원경호 (국립원예특작과학원 배시험장) ;
  • 정석규 (경희대학교 한방재료가공학과)
  • Lim, Kyeong-Ho (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Choi, Hyun-Sug (Organic Agriculture Division, National Academy of Agricultural Science) ;
  • Song, Jang-Hoon (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Cho, Young-Sik (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Cho, Kwang-Sik (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Ma, Kyeong-Bok (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Won, Kyeong-Ho (Pear Research Station, National Institute of Horticultural & Herbal Science) ;
  • Jung, Seok-Kyu (Department of Oriental Medicinal Materials & Processing, Kyunghee University)
  • 투고 : 2012.06.05
  • 심사 : 2012.09.03
  • 발행 : 2012.09.30
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초록

전남지역 13곳의 유기과원에서 자생하는 다년생 초종을 조사하여 과수 생장을 위한 양분 공급원으로의 적합한 초생식물을 탐색하기 위하여 수행되었다. 과원에 발생한 초종은 4월과 6월 그리고 8월에 조사하였다. 4월과 6월에 각각 발생한 개밀과 큰개기장에서 가장 높은 건물중을 보였고, 이는 질소와 인산 칼리 고정량을 크게 증가시켰다. 8월에는 다년생초생 발생량이 4월과 6월에 비교하여 감소하였다. 예초된 개밀과 큰개기장의 초생 잔사량은 20년생의 과일나무가 생장하기 위해 필요한 연간 평균 질소(20kg/10a), 인산(11kg/10a), 그리고 칼리(19kg/10a) 수준을 충족시킨 것으로 관찰되었다.

This study was initiated to find out the suitable perennial ground covers naturally grown in thirteen organic orchards in Chonnam Province as a organic nutrient source for maintaining annual fruit tree growth. The ground covers were observed in April, June, and August in the orchards. Agropyron tsukusinense and Panicum virgatum observed in April and June, respectively, produced the highest dry weight, which increased amounts of N, $P_2O_5$, and $K_2O$, mineralizing from the residue in the ground covers. The occurrence of perennial ground covers in August decreased compared to April and June. Amount of residue in mowed Agropyron tsukusinense and Panicum virgatum satisfied nutrient demand (N; 20 kg/10a, $P_2O_5$; 11 kg/10a, and $K_2O$; 19 kg/10a) to achieve the annual growth of twenty-year old fruit tree.

키워드

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