Journal of Korean Society of Forest Science (한국산림과학회지)

Korean Society of Forest Science (한국산림과학회)
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An Analysis of Characteristic of Initial Growth with Containerized Seedlings of Pinus densiflora According to Planting Tools

식재기구에 따른 소나무 용기묘의 초기생장특성

  • Ko, Chi-Ung (Division of Forest Industry Research, National Institute of Forest Science) ;
  • Lee, Kwan-Hee (Forest Practice Research Center, National Institute of Forest Science) ;
  • Kim, Dong-Hyun (Department of Ecology and Environment System, Graduate School, Kyungpook University) ;
  • Kang, Jin-Taek (Division of Forest Industry Research, National Institute of Forest Science) ;
  • Kim, Dong-Geun (Department of Ecology and Environmental System, Kyungpook National University)
  • 고치웅 (국립산림과학원 산림산업연구과) ;
  • 이관희 (국립산림과학원 산림생산기술연구소) ;
  • 김동현 (경북대학교 생태환경시스템학과) ;
  • 강진택 (국립산림과학원 산림산업연구과) ;
  • 김동근 (경북대학교 생태환경시스템학부)
  • Received : 2017.09.07
  • Accepted : 2017.10.23
  • Published : 2017.12.31
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Abstract

In this study, containerized seedlings of Pinus densiflora (2-0) were planted in Iso-ri, Hwadong-myeon, Sangju-si, Gyeongbuk on April, 2015. It was planted by lightweight planting auger that Kyungpook University has developed and mattock which is the general planting method of containerized seedlings. With the square planting method ($1.8{\times}1.8m$), 225 trees were planted respectively and about 2 years of initial growth, survival rate and seedling quality index (SQI) were analyzed and investigated. According to the analysis result, the average root collar diameter (mm) of planted containerized seedlings that used lightweight planting auger and mattock reached 3.77 and 3.94 in 2015, 18.73 and 15.32 in 2016, and 27.8 and 23.9 in 2017 respectively. In addition, the average height of containerized seedlings rated 33.4 and 33.4 in 2015, 89.8 and 74.7 in 2016 and 120.7 and 97.9 in 2017. It turns out that the height of initial growth of containerized seedlings that are planted by lightweight planting auger were much higher than mattock. The survival rate of the containerized seedlings that used lightweight planting auger was also higher by 10% than that used mattock. Also, H/D rate (healthiness) and T/R rate were almost the same, however, for the SQI, 0.60 was for lightweight planting auger and 0.24 for mattock. It seems like the lightweight planting auger is more advantageous than mattock in initial growth.

본 연구는 경북대학교에서 개발한 경량식혈기와 일반적인 용기묘 식재 방법인 괭이를 이용하여 경상북도 상주시 화동면 이소리에 2015년 4월 소나무 용기묘(2-0)를 정방형 식재방법($1.8{\times}1.8m$)으로 식재기구별 각각 225본씩 식재하여 약 2년 동안의 초기생장, 생존율 및 묘목품질지수(SQI)를 조사 분석하였다. 분석결과, 경량식혈기와 괭이를 이용하여 식재한 용기묘의 평균 근원경(mm)은 각각 2015년에 3.77과 3.94, 2016년에 18.73과 15.32 2017년에 27.8과 23.9로 나타났다. 또한 용기묘의 평균 간장(cm)은 각각 2015년에 33.4와 33.4, 2016년에 89.8과 74.7, 2017년에 120.7과 97.9로 간장 역시 경량식혈기를 이용하여 식재한 용기묘가 괭이를 이용하여 식재한 용기묘 보다 초기 생장이 더 높은 것으로 나타났으며, 생존율 또한 경량식혈기를 이용한 용기묘의 생존율이 괭이를 이용한 경우 보다 약 10%정도 더 높게 나타났다. 그리고 H/D율(건전도)과 T/R율은 서로 유사한 값을 나타낸 반면 SQI는 경량식혈기가 0.60, 괭이는 0.24로 나타나 경량식혈기 식재가 괭이 식재에 비해 용기묘의 초기생장에 더 유리한 것으로 판단된다.

Keywords

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