Journal of agriculture & life science (농업생명과학연구)

Institute of Agriculture & Life Science, Gyeongsang National University (경상대학교 농업생명과학연구원)
권호 표지

Effects of Fertilization Treatments on Growth of Container and Bare Root Seedlings of Pinus densiflora

시비처리가 소나무 용기묘와 노지묘의 생육에 미치는 영향

  • Cho, Min-Seok (Forest Practice Research Center, Korea Forest Research Institute) ;
  • Kim, Gil-Nam (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Lee, Sang-Tae (Forest Practice Research Center, Korea Forest Research Institute) ;
  • Moon, Hyun-Shik (Dept. of For. Environ. Res., Gyeongsang National Univ.(Insti. of Agric. & Life Sci.))
  • 조민석 (국립산림과학원 산림생산기술연구소) ;
  • 김길남 (국립산림과학원 산림유전자원부) ;
  • 이상태 (국립산림과학원 산림생산기술연구소) ;
  • 문현식 (경상대학교 산림환경자원학(농업생명과학연구원))
  • Received : 2012.02.06
  • Accepted : 2012.04.27
  • Published : 2012.04.30
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Abstract

This study was conducted to investigate effects of fertilization treatments (non-fertilizing, deep-fertilizing 20g, 50g, 100g, and surface-fertilizing 20g) on survival rate, growth performances, and seedling quality index (SQI) of container seedling and bare root seedling of Pinus densiflora in the field. There were no significantly differences in survival rate among fertilization treatments in the field. Besides, there was no toxic effect on seedling by over 100g fertilization in deep-fertilizing treatment. The root collar diameter and height of P. densiflora in both seedling types were the highest at 100g fertilization in deep-fertilizing treatments, and the biomass products and SQI were the same as above growth of root collar diameter and height. In most of the treatments, container seedlings showed better growth performances than bare root seedlings. In optimal fertilization, effect of fertilization was higher in container seedling than bare root seedling.

본 연구에서는 소나무 용기묘와 노지묘를 대상으로 조림과정에서 5가지 시비 처리(무시비, 심층시비 20, 50, 100g 및 표층시비 20g)에 따른 생존율, 생장 특성 및 묘목품질지수를 조사 분석하였다. 조림지에 묘목 식재 시 시비처리에 따른 생존율은 처리구별 뚜렷한 차이가 없었으며, 심층시비 100 g 시비를 실시하여도 과량 시비에 의한 피해를 보이지 않았다. 소나무 용기묘와 노지묘의 연차별 근원경과 묘고 생장은 심층시비 100 g에서 가장 높았으며 또한, 물질생산량과 묘목품질지수에서도 생장 특성과 같은 경향이 나타났다. 모든 시비 처리구에서 전반적으로 용기묘가 노지묘보다 우수한 생장을 보였으며, 적정 시비 처리에 따른 효과 또한 용기묘가 노지묘보다 더 높은 것으로 조사되었다.

Keywords

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