한국토양비료학회지 (Korean Journal of Soil Science and Fertilizer)

  • 제41권5호
  • /
  • Pages.318-323
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  • 2008
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  • 0367-6315(pISSN)
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  • 2288-2162(eISSN)
한국토양비료학회 (Korean Society of Soil Science and Fertilizer)
권호 표지

간척지 성토지 식재 포플러의 SCB액비 처리에 따른 클론별 생장특성

Effects of Slurry Composting and Biofiltration Liquid Fertilizer on Growth Characteristic of Poplar Clones in a Reclaimed Land Mounding Soil

  • 박정현 (국립산림과학원 산림유전자원부) ;
  • 여진기 (국립산림과학원 산림유전자원부) ;
  • 구영본 (국립산림과학원 산림유전자원부) ;
  • 이원우 (국립산림과학원 산림유전자원부) ;
  • 김현철 (국립산림과학원 산림유전자원부) ;
  • 박치호 (축산과학원)
  • Park, Jung-Hyun (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Yeo, Jin-Kie (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Koo, Yeong-Bon (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Lee, Won-Woo (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Kim, Hyun-Chul (Dept. of Forest Genetic Resources, Korea Forest Research Institute) ;
  • Park, Chi-Ho (National Institute of Animal Science)
  • 투고 : 2008.08.19
  • 심사 : 2008.09.28
  • 발행 : 2008.10.30
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초록

간척성토지에서 SCBLF 처리효과를 알아보기 위하여 80일 동안 SCBLF 처리 후 포플러의 클론별 생육특성을 조사하였다. 엽면적은 SCBLF 처리구가 대조구에 비해 26% 증가하였다(P<0.05). 엽록소 함량은 처리구가 대조구보다 5% 증가하였으나 유의성은 없었다. 엽면적의 경우 Suwon, Clivus, 72-30, Dorskamp, 97-19서 처리구와 대조구간 통계적 차이가 있었고 (P<0.05), 엽록소 함량은 97-19에서 유의성을 나타났다(P<0.01). 잎의 T-N함량은 P<0.01에서 유의성이 인정되었으며, 클론별로는 97-19, I-476, Suwon, 72-30이 P<0.05, Clivus가 P<0.01 수준에서 유의성을 보였다. 수고 및 흉고직경 생장은 SCBLF 처리구가 대조구에 비해 각각 20%, 41% 증가하였으며 유의성이 인정되었다(P<0.01). 수고생장은 Clivus, 72-30, Suwon에서(P<0.05) 흉고직경생장은 Clivus, Eco28, Dorskamp,72-30, 72-31에서 유의성이 인정되었다(P<0.01). 특히 현사시(Clivus, 72-30)의 경우 잎의 엽면적, T-N함량, 수고 및 흉고직경 생장에서 통계적으로 유의한 차이를 보였으며 SCBLF 처리구가 대조구보다 높거나 우수하였다.

We studied on the effects of slurry composting and biofiltration liquid fertilizer (SCBLF) on growth of two-year-old poplar clones planted in a reclaimed land mounding soil. The soil on the experimental site had lower concentrations of both exchangeable cations and salinity than before reclamation. However, the content of organic matter was low compared with the most soils. We applied SCBLF to the poplars six times and 5 L in each time for 80 days. Ten clones of six poplar species or hybrids were tested in this study: Populus alba ${\times}$ P. glandulosa(Clivus, 72-30, 72-31, Bongwha1), P. deltoides ${\times}$ P. nigra(Dorskamp), P. deltoides(Lux) ${\times}$ P. deltoides(Harvard)(97-19), P. euramericana(Eco28, I-476), P. nigra ${\times}$ P. maximowiczii(62-2) and P. Koreana ${\times}$ P. nigra var. italica(Suwon). Growth performance varied more among clones than among species. Average height growth of treated plots was 18% greater than control, and clones Clivus, 97-19, Eco28 and Dorskamp were more vigorous than other clones. Diameter at breast height in treated plots was 41% greater than control, and 97-19, Dorskamp, Eco28 and Clivus were the four best clones in this respect. Mean leaf area of treated trees was 26% greater for control trees. Chlorophyll content was similar between treated and controlled trees. Total nitrogen values in leaves were much higher in treated trees 18%. SCBLF treatment on poplars planted in reclaimed land helped tree growth.

키워드

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