[1]李陆平,廖超英,李晓明,等. 毛乌素沙地樟子松人工林对土壤微生物及酶活性的影响[J].西北林学院学报,2012,27(03):12-16.
 LI Lu-ping,LIAO Chao-ying,LI Xiao-ming,et al. Effects on Soil Microorganism and Enzyme Activities of Artificial Pinus sylvestris var.mongolica in Mu Us Sand Land[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(03):12-16.
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 毛乌素沙地樟子松人工林对土壤微生物及酶活性的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年03期
页码:
12-16
栏目:
出版日期:
2012-05-31

文章信息/Info

Title:
 Effects on Soil Microorganism and Enzyme Activities of Artificial Pinus sylvestris var.mongolica in Mu Us Sand Land
文章编号:
1001-7461(2012)03-0012-05
作者:
 李陆平廖超英李晓明孙长忠
 (1.西北农林科技大学 资源环境学院,陕西 杨陵 712100;2.农业部黄土高原农业资源和环境修复重点开放实验室,陕西 杨陵 712100;3.中国林业科学研究院 华北林业实验中心,北京102300)
Author(s):
 LI Lu-ping LIAO Chao-ying LI Xiao-ming SUN Chang-zhong
 (1.College of Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; 2.Key Laboratory of Agriculture Resources and Ecosystem Remediation of Loess Plateau, Ministry of Agriculture, Yangling, Shaanxi 712100, China; 3.Experimental Center of Forestry in North China, Chinese Academy of Forestry, Beijing 102300, China)
关键词:
 土壤微生物土壤酶活性樟子松固沙林毛乌素沙地
Keywords:
 soil microorganism enzyme activity sand-fixing forestry Pinus sylvestris var.mongolica Mu Us sand land
分类号:
S714.3
文献标志码:
A
摘要:
 对毛乌素沙地榆林沙区不同林龄樟子松人工固沙林地土壤微生物及酶活性进行测定和分析。结果表明,不同林龄樟子松林地土壤微生物和酶活性表现出差异。与流沙地相比,林地土壤微生物数量显著增加,土壤酶活性显著增强。随林龄增加土壤微生物数量呈上升趋势,6年生到20年生阶段增幅最大;土壤酶活性总体上不断加强。土壤微生物数量和酶活性随土层深度增加而下降,且在林龄和土层深度两个方向上达到显著性差异水平。在流沙地上栽植樟子松人工林后,土壤生物学特性不断改善,土壤肥力水平提高。

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