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当前位置: 首页 > 文章 > 马尾松纯林与枫香木荷混交林土壤微生态环境差异分析 中南林业科技大学学报 2015 (12) 82-86
Position: Home > Articles > Variation analysis on soil micro-eco-environment of Pinus massoniana pure forest and Liquidambar formosana+Schima superba mixed forest Journal of Central South University of Forestry & Technology 2015 (12) 82-86

马尾松纯林与枫香木荷混交林土壤微生态环境差异分析

作  者：
王凌云;喻荣岗;万佳蕾;徐爱珍;杨洁
单  位：
江西省水土保持科学研究院
关键词：
马尾松纯林;枫香木荷混交林;土壤微生态环境;根际土壤;非根际土壤
摘  要：
以南方红壤侵蚀区马尾松纯林、枫香木荷混交林为研究对象,分析马尾松、枫香先锋树种成林后土壤微生态环境的差异,从土壤改良的角度,为南方红壤侵蚀区植被恢复先锋树种选择提供基础数据和科学依据。研究发现:(1)以马尾松纯林为对照,枫香木荷混交林根际、非根际土壤p H值和养分含量升高;根际土壤过氧化氢酶、磷酸酶和非根际土壤脲酶活性升高,非根际土壤蔗糖酶活性降低;根际土壤放线菌数量增加,真菌数量减少。(2)以非根际土壤为对照,马尾松纯林、枫香木荷混交林根际土壤p H值降低,有机质和速效磷含量以及微生物数量均增加。前者p H值和有机质的变化幅度更大,后者速效磷含量和微生物数量的变化幅度更大。此外,马尾松纯林根际土壤过氧化氢酶、蔗糖酶活性增加,磷酸酶活性降低;混交林根际土壤过氧化氢酶、蔗糖酶和磷酸酶活性增加。因此,枫香木荷混交林改善林下土壤微生态环境效果更为明显,土壤p H值和磷酸酶活性是影响马尾松林下土壤微生态环境的重要因素。
译  名：
Variation analysis on soil micro-eco-environment of Pinus massoniana pure forest and Liquidambar formosana+Schima superba mixed forest
作  者：
WANG Ling-yun;YU Rong-gang;WAN Jia-lei;XU Ai-zhen;YANG Jie;Jiangxi Institute of Soil and Water Conservation;Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention;
关键词：
Pinus massoniana pure forest;;Liquidambar formosana+Schima superba mixed forest;;soil micro-eco-environment;;rhizosphere soil;;non-rhizosphere soil
摘  要：
In order to provide basic and scientific evidence for the selection of pioneer species in the southern China red soil area vegetation restoration, from the point of view of soil improvement, the differences and effects of soil micro-eco-environment between pure forest of Pinus massoniana and Liquidambar formosana+Schima superba mixed forest were investigated and analyzed. The summarized results are:(i) Compared with P. massoniana, L.formosana rhizosphere and non-rhizosphere soil p H and nutrient content increased, rhizosphere soil phosphatase, catalase and non-rhizosphere soil urease activity increased, the rhizosphere soil invertase activity decreased, the number of rhizosphere actinomycetes increased, the number of fungi decreased.(ii) Compared with the non-rhizosphere soil, rhizosphere soil p H of P.massoniana and L.formosana reduced, the quantity of organic matter and microorganism, available phosphorus content increased; The change range of P.massoniana soil p H and organic matter was bigger, the change range of L.formosana available phosphorus content and microorganism quantity were bigger. In addition, P.massoniana rhizosphere soil catalase and invertase activity increased, phosphatase activity decreased, L.formosana rhizosphere soil catalase, invertase and phosphatase activity increased. Therefore, the effect of improving soil ecological environment on L. formosana+S.superba mixed forest was more apparent, soil p H and phosphatase activity were the important factors that affect soil ecological environment of P.massoniana pure forest.

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