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A Study on Seedling Growth and Absorption of Inorganic Nutrients of Deutzia Crenata Seedlings Treated with Swine Manure

돈분 처리에 의한 빈도리나무 유묘생육 및 무기양분 흡수에 관한 연구

  • Lee, Chang-Heon (Dept. of Forest Environmental Sciences, Chonbuk National University) ;
  • Kang, Hag-Mo (Dept. of Forest Environmental Sciences, Chonbuk National University) ;
  • Jin, Jae-Jun (Dept. of Forestry, Department of Natural Resources & Life Sciences Graduate School, Chonbuk National University) ;
  • Hong, Ji-Suk (Dept. of Forestry & Landscape Architecture, Jeonbuk Agriculture Meister College) ;
  • Kim, Mi-Ja (Dept. of Forestry, Graduate School, Chonbuk National University)
  • 이창헌 (전북대학교 산림환경과학과) ;
  • 강학모 (전북대학교 산림환경과학과) ;
  • 진재준 (전북대학교 생명자원과학대학원) ;
  • 홍지숙 (전북농업마이스터대학) ;
  • 김미자 (전북대학교 대학원 임학과)
  • Received : 2018.02.19
  • Accepted : 2018.03.16
  • Published : 2018.06.29

Abstract

This study was conducted to obtain a reliable result assessing proper amount of solid swine manure for the growth of Deutzia crenata seedlings. Seedling growth dry weight, chlorophyll content inorganic nutrients and soil chemical properties were investigated. 1. When treated with solid swine manure, seed germination rate was highest on the control. However, germination rates tended to decrease when treated with swine manure at high concentrations. 2. The growth of seedlings treated with swine manure was always higher than that of in control. At the 1.0% of swine manure treatment, the growth rate of the seedlings was highest. 3. Seedling dry weight was highest at the 1.0% swine manure treatment. The amount of inorganic nutrients absorbed by the seedling was generally high with the 1.0% treatment, declined sharply with the 2.0% treatment. 4. For the planting soil of Deutzia crenata, the higher the concentration of swine manure, the lower the soil pH. However, nitrogen, available P, K, Na, Mg and Ca contents in the soil have increased with higher concentrations.

본 연구는 빈도리나무를 대상으로 고형 돈분의 시비 농도에 따른 빈도리나무 종자의 발아율, 묘목의 생장량, 건중량, 체내 무기양분 흡수량 및 토양의 화학적 변화 등을 조사하여 빈도리나무 유묘의 생장에 고형 돈분의 적정 시용량에 대한 자료를 얻고자 실시하였다. 1. 고형 돈분 처리시 빈도리나무의 종자발아율은 대조구가 가장 높았으며, 고농도 돈분 처리시 발아율은 감소하는 경향을 나타냈다. 2. 묘의 생장량은 돈분 처리구가 대조구 보다 모두 높은 생장량을 보였고, 돈분 1.0% 처리구에서 묘고 생장이 가장 컸다. 3. 건중량은 1.0% 처리구에서 가장 높게 나타났고, 체내 무기양분 흡수량은 대부분 1.0% 처리구에서 높았으며, 2.0%에서 급격히 흡수량이 떨어졌다. 4. 빈도리나무 식재 토양의 경우 돈분을 고농도로 처리할수록 pH는 낮아지고, 토양 중 잔류된 전질소, 유효인산, 치환성 K, Na 및 Mg 함량은 높아졌다.

Keywords

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