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Influence of Plant Community Succession on Soil Biological Properties During Subalpine Coniferous Plantation Rehabilitation in Western Sichuan
Authors
何海
刘世全
+4 more
刘庆
吴彦
庞学勇
林波
Publication date
1 June 2004
Publisher
'UPV/EHU Press'
Doi
Cite
Abstract
通过对川西亚高山针叶林人工重建过程中土壤微生物数量、酶活性及其与土壤养分性状的关系研究表明,云杉人工成熟林土壤微生物数量、酶活性明显低于云杉人工幼林地,也低于同龄的次生阔叶林地,人工云杉林随着林龄的增加土壤肥力严重退化。土壤微生物数量、酶活性与土壤有机质、全N、全P和碱解N等养分指标呈显著相关关系,土壤生物学指标能较好地反映土壤肥力状况。解决当前人工成熟云杉林土壤退化的主要措施应因地制宜地进行抚育间伐,改善林地的微生态条件,尽量避免营造针叶纯林,建议营造针阔混交林
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Last time updated on 31/03/2020