| 营林措施对沙地樟子松人工林土壤养分、酶活性及微生物量碳的影响 |
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| 引用本文： | 张日升,贾树海,徐贵军,王恩利,肖巍.营林措施对沙地樟子松人工林土壤养分、酶活性及微生物量碳的影响[J].土壤通报,2011(1):65-69. |
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| 作者姓名： | 张日升 贾树海 徐贵军 王恩利 肖巍 |
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| 作者单位： | 沈阳农业大学土地与环境学院;辽宁省固沙造林研究所; |
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| 基金项目： | 国家“十五”攻关项目“重大林木病虫灾害的生态控制技术研究”(2002BA509B10)资助 |
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| 摘 要： | 在科尔沁沙地南缘章古台地区,对采用3种营林措施的樟子松人工林土壤养分、酶活性和微生物量碳进行测定分析,结果表明:2001围封处理区除速效钾外其它测定指标都低于对照区和同龄2007年围封处理区,2001围封+间伐处理区与其它处理相比,除全磷、速效钾和中性磷酸酶外,其它指标显著提高;32年生林分已修枝7年的樟子松人工林,随修枝强度的增大,土壤脲酶活性和微生物量碳增加,土壤过氧化氢酶和中性磷酸酶活性及土壤养分含量下降;40年生左右的樟子松人工林,通过卫生伐改造成疏林处理区与对照区相比,土壤养分含量、酶的活性和微生物量碳显著提高。研究认为沙地樟子松人工林地力衰退可通过营林措施加以控制,关键要合理经营。
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| 关 键 词： | 樟子松 土壤养分 酶活性 微生物量碳 |
Effects of Silvicultural Measures on Soil Nutrient,Enzyme Activity and Microbial Biomass Carbon in Pinus sylvestris var.mongolica Plantations in Sandy Area |
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| ZHANG Ri-sheng ,JIA Shu-hai ,XU Gui-jun ,WANG Wen-li ,XIAO Wei.Effects of Silvicultural Measures on Soil Nutrient,Enzyme Activity and Microbial Biomass Carbon in Pinus sylvestris var.mongolica Plantations in Sandy Area[J].Chinese Journal of Soil Science,2011(1):65-69. |
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| Authors: | ZHANG Ri-sheng JIA Shu-hai XU Gui-jun WANG Wen-li XIAO Wei |
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| Institution: | ZHANG Ri-sheng 1,2,JIA Shu-hai 1,XU Gui-jun 2,WANG Wen-li 2,XIAO Wei(1. Shenyang Agricultural University,Shenyang 110161,China,2.Liaoning Sand Fixation and Forestation Research Institute,Fuxin 123000,China) |
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| Abstract: | An experiment was conducted to study effects of three silvicultural measures on soil nutrient,enzyme activity and microbial biomass C in Pinus sylvestris var.mongolica planations in sandy land.The results showed as follows.The contents of soil nutrients except the available P,and the enzyme activity and the microbial biomass C in 2001 enclosed sample plot were lower than that in 2007 enclosed sample plot or the control plot.Each index in enclosed-and-thinned sample plot was significantly higher than those i... |
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| Keywords: | Pinus sylvestris var mongolica Soil nutrient content Enzyme activity Microbial Biomass Carbon |
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