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Forests 2015, 6(6), 2199-2213;

Growth and Nutrient Status of Foliage as Affected by Tree Species and Fertilization in a Fire-Disturbed Urban Forest

Department of Forest Resources, Gyeongnam National University of Science and Technology, Jinju 660-758, Korea
Centre for Environmental Risk Assessment and Remediation, University of South Australia, Adelaide, SA 5095, Australia
Department of Forest Environmental Resources, Gyeongsang National University, Jinju 660-701, Korea
Author to whom correspondence should be addressed.
Academic Editors: Heinz Rennenberg and Mark A. Adams
Received: 11 May 2015 / Revised: 14 June 2015 / Accepted: 15 June 2015 / Published: 19 June 2015
(This article belongs to the Special Issue Nitrogen and Phosphorus Nutrition of Trees and Forests)
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The aim of the present study was to evaluate the growth and macronutrient (C, N, P, K) status in the foliage of four tree species (LT: Liriodendron tulipifera L.; PY: Prunus yedoensis Matsumura; QA: Quercus acutissima Carruth; PT: Pinus thunbergii Parl.) in response to fertilization with different nutrient ratios in a fire-disturbed urban forest located in BongDaesan (Mt.), Korea. Two fertilizers (N3P8K1 = 113:300:37 kg·ha−1·year−1; N6P4K1 = 226:150:37 ha−1·year−1) in four planting sites were applied in April 2013 and March 2014. The growth and nutrient responses of the foliage were monitored six times for two years. Foliar growth and nutrient concentrations were not significantly different (p > 0.05) in response to different doses of N or P fertilizer, but the foliage showed increased N and P concentrations and content after fertilization compared with the control (N0P0K0). Foliar C and K concentrations were little affected by fertilization. Foliar nutrient concentrations and contents were significantly higher in PY and LT than in PT. The results suggest that the foliar N and P concentration could be used as a parameter to assess the nutrient environments of tree species restored in a fire-disturbed urban forest. View Full-Text
Keywords: carbon; forest fire; nitrogen; phosphorus; potassium; restoration; urban soil carbon; forest fire; nitrogen; phosphorus; potassium; restoration; urban soil

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Kim, C.; Jeong, J.; Park, J.-H.; Ma, H.-S. Growth and Nutrient Status of Foliage as Affected by Tree Species and Fertilization in a Fire-Disturbed Urban Forest. Forests 2015, 6, 2199-2213.

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