山西太岳山典型森林群落土壤有机质及氮素研究_朱建奎.pdfVIP

2009 4 April 2009 2 FOREST RESOURCES MANAGEMENT No.2 1 1 2 1 朱建奎, 韩海荣, 伊力塔, 刘　利 (1. , 100083;2., 311300) :分析了太岳山7 种典型森林群落土壤有机质和氮 的基本状况, 结果表明:不同林型, 土壤腐殖质层和淀 积层有机质含量均是油松辽东栎混交林最高, 分别为4.908g/kg 和 3.528g/kg;土壤腐殖质层有机质含量油松林 最低, 为3.959g/kg, 淀积层有机质含量山杨林最低, 为 1.779g/kg;土壤腐殖质层全氮含量, 白桦林最高, 为 0.368%, 辽东栎林最低, 为0.176%。;土壤腐殖质层速效氮含量华北落叶松林最高, 为292.191mg/kg, 油松 林最低, 为 167.725mg/kg;土壤淀积层全氮含量油松林最高, 为 0.277%, 油松辽东栎混交林最低, 为 0.094%;土壤淀积层速效氮含量山杨林最高为200.183mg/kg, 油松辽东栎混交林最低, 为49.151mg/kg;土壤 有机质、 全氮及速效氮含量均是上层土壤高于下层。 腐殖质层和淀积层土壤有机质含量在各林型间差异均不显 著 (P0.05), 而全氮和速效氮含量在各林型间的差异均达到极显著水平 (P0.01)。 :有机质;全氮;速效氮;腐殖质层;淀积层;太岳山 :S714.5;S153.6　:A　:1002-6622(2009)02-0070-06 Study on Soil Organic Matter and Nitrogen of Typical Forest Communities in Shanxi Taiyue Mountains 1 1 2 1 ZHU Jankui , HAN Hairong ,YI Lita , LIU Li (1.TheKey Laboratory for Silviculture and Conservation, Ministry of Education, Beijing Forestry University,Beijing 100083, Chi- na;2.Schoolof Forestry andBiotechnology, Zhej iang Forestry College, Linan 311300, Zhej iang, China) Abstract:T is paper made an analysis on basic condition of soil organic matter (OM ), total nitrogen (TN)and alkaline nitrogen (AN )in 7 typical forest communites in Taiyue Mountains, T e results s owed t at among different forest stands,t e OM contents in soil umus orizon (SHH)and soil illu- vial orizon (SIH )were bot ig est in t e pine oak mixed forest stand, w ic w ere 4.908g/kg and 3.528g/kg respectively.T e minimum value of OM content in SHH occured in pine forest stand w as 3