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Short-term effects of fertilizer application on soil respiration in red pine stands
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  • Short-term effects of fertilizer application on soil respiration in red pine stands
  • Short-term effects of fertilizer application on soil respiration in red pine stands
저자명
Kim. Choonsig,Jeong. Jaeyeob,Bolan. Nanthi S.,Naidu. Ravi
간행물명
Journal of ecology and field biology : JEFB
권/호정보
2012년|35권 4호|pp.307-311 (5 pages)
발행정보
한국생태학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

This study was conducted to evaluate the dynamics of soil respiration (total soil and heterotrophic respiration) following fertilizer application in red pine forests. Fertilizer (N:P:K = 113:150:37 kg/ha), which reflects current practices in Korean forest, was applied in April 2011, and total soil and heterotrophic respiration rates were monitored from April 2011 to March 2012. Monthly variation of total soil and heterotrophic respiration rates were similar between the fertilizer and control treatments, as soil temperature was the dominant factor controlling the both rates. Total soil respiration rates during the study period were not significantly different between the fertilizer (0.504 g $CO_2;m^{-2};h^{-1}$) and control (0.501 g $CO_2;m^{-2};h^{-1}$) treatments. However, the proportion of heterotrophic respiration was higher in the fertilizer (78% of total soil respiration rates) than in the control (62% of total soil respiration rates) treatments. These results suggest that current fertilizer practices in Korea forest soil do not substantially affect total soil respiration rates.