Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Effects of Simulated Acid Rain and Soil Fertilizers on Photosynthetic Rate, wax Content, and Contact Angle of Japanese Red Pine(Pinus densiflora Sieb. et Zucc.) Leaves

인공산성우와 토양시비가 소나무잎의 광합성속도, 왁스 함량 및 접촉각에 미치는 영향

  • 최기영 (서울시립대학교 환경원예학과) ;
  • 이용범 (서울시립대학교 환경원예학과) ;
  • 채의석 (서울시립대학교 환경원예학과) ;
  • 이경재 (서울시립대학교 조경학과)
  • Published : 1996.11.01
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Abstract

This study was conducted for the assessment of the effects of acid rain and soil fertilizers on photosynthetic rate, was content, and contact angle on 5-year seedlings of Japanese red pine (Pinus densiflora Sieb. et Zucc.) leaves. The seedlings were exposed to pH 3.0 (simulated acid rain), pH 6.5 (groung water) and rain (pH around 4.6). The seedlings were also treated with $Ca(OH)_2, Mg(OH)_2, and Ca(OH)_2 + Mg(OH)_2 + C.F.(compound fertilizer)$. Photosynthetic rate, stomatal conductance, was content, contact angle value, and mineral nutrient content of the leaves were measured and the results were as follows: 1. Photosynthetic rate and stomatal conductance of the leaves increased with the increase of pH. Photosynthetic rate and stomatal conductance increased with application of soil fertilizer in the pH 3.0 treatment, but showed no changes in the rain and the pH 6.5. 2. Contact angle value and was content of the leaves did not change with the pH treatment, but increased with the fertilizer treatments. 3. Mineral nutrient contents of the leaves were lowest in the rain treatment and highest in the pH 6.5 treatment. The increase of mineral nutrient contents was observed with the soil fertilizer treatments.

Keywords

References

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