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应用生态学报 ›› 2003, Vol. ›› Issue (11): 1820-1824.

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华南阔叶树种幼苗叶片的养分特征

薛立1,2, 韦如萍2, 谭天泳3, 邝立刚4, 韦美满2   

  1. 1. 中国科学院沈阳应用生态研究所会同森林生态实验站, 沈阳 110016;
    2. 华南农业大学林学院, 广州 510642;
    3. 广东省林业局, 广州 510173;
    4. 山西省林业科学研究院, 太原 030012
  • 收稿日期:2002-12-02 修回日期:2003-03-10 出版日期:2003-11-15
  • 通讯作者: 薛立,男,1958年生,博士,副教授,主要从事林分密度、自然稀疏、林木养分和森林土壤的研究,在国内外刊物上发表论文40多篇,其中7篇被SCI收录.Tel:020-85280259;E-mail:forxue@scau.edu.cn.
  • 基金资助:
    中国科学院重要方向创新资助项目(KZCX405)

Nutrient characteristics in leaves of broadleaved seedlings in south China

XUE Li1,2, WEI Ruping2, TAN Tianyong3, KUANG Ligang4, WEI Meiman2   

  1. 1. Huitong Experimental Station of Forestry Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China;
    2. College of Forestry, South China Agricultural University, Guangzhou 510642, China;
    3. Guangdong Forestry Bureau, Guangzhou 510173, China;
    4. Shanxi Institute of Forestry Science, Taiyuan 030012, China
  • Received:2002-12-02 Revised:2003-03-10 Online:2003-11-15

摘要: 研究了阔叶树种幼苗山杜英、红锥、海南红豆、火力楠、红花油茶、枫香、黎蒴、米老排和樟树的N、P、K浓度和单位叶面积含量.结果表明,海南红豆、黎蒴和樟树的N、P、K浓度较高,而红花油茶、黎蒴和樟树的单位叶面积N、P、K含量较高.9种树种的上部和下部叶片的平均养分浓度分别为N16.67和17.09g·kg-1,P1.29和0.84g·kg-1,K11.77和6.65g·kg-1,平均养分含量分别为N0.871和1.069g·m-2,P0.065和0.052g·m-2,K0.608和0.426g·m-2.各树种上部叶片的P和K浓度和含量大于下部叶片.从养分含量的角度考虑,红花油茶与其他8种树种混交,红锥或米老排与山杜英、枫香、海南红豆、黎蒴、樟树混交,火力楠与黎蒴、樟树混交是合理的

Abstract: Nutrient concentrations and contents in leaves of broadleaved Elaeocarpus sylvestris,Castanopsis hystrix,Ormosia pinnata,Michelia macclurei,Camellia semiserata,Liquidambar formosana,Castanopsis fissa,Mytilaria laosensis and Cinnamomum camphora seedlings were studied. Leaf N,Pand Kconcentrations in Ormosia pinnata,Castanopsis fissa and Cinnamomum camphora were higher than those of other tree species,and leaf N,Pand Kcontents in Camellia semiserata,Castanopsis fissa and Cinnamomum camphora were higher than those of other tree species. Mean leaf nutrient concentration in upper crown and lower crown of 9 tree species was N 16.67 and 17.09 g穔g-1,P1.29 and 0.84 g穔g-1,K11.77 and 6.65 g穔g-1,respectively. Mean leaf nutrient content in upper crown and lower crown of 9 tree species was N 0.871 and 1.069 g穖-2,P0.065 and 0.052 g穖-2,K0.608 and 0.426 g穖-2,respectively. Leaf Pand Kconcentrations and contents in the upper crown were generally higher than those of the lower crown. From the view of nutrient contents,mixing Camellia semiserata with other tree species,mixing Castanopsis hystrix or Mytilaria laosensis with Elaeocarpus sylvestris,Liquidambar formosana,Ormosia pinnata,Castanopsis fissa,and Cinnamomum camphora,and mixing Michelia macclurei with Castanopsis fissa and Cinnamomum camphora were suitable.

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