[1]陈莉,兰国玉*,谭正洪,等. 橡胶树与其他乡土树种混交对土壤微生物生物量碳的影响[J].西北林学院学报,2018,33(6):26-30.[doi:10.3969/j.issn.1001-7461.2018.06.05]
 CHEN Li,LAN Guo-yu*,TAN Zheng-hong,et al. Effects of the Mixed Cultivation of Rubber Trees with Other Indigenous Tree Species on Soil Microbial Biomass Carbon of Rubber Plantations[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2018,33(6):26-30.[doi:10.3969/j.issn.1001-7461.2018.06.05]
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 橡胶树与其他乡土树种混交对土壤微生物生物量碳的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第33卷
期数:
2018年第6期
页码:
26-30
栏目:
出版日期:
2018-11-30

文章信息/Info

Title:
 Effects of the Mixed Cultivation of Rubber Trees with Other Indigenous Tree Species on Soil Microbial Biomass Carbon of Rubber Plantations
文章编号:
1001-7461(2018)06-0026-05
作者:
 陈莉123兰国玉13*谭正洪2吴志祥13祁栋灵13杨川13
 (1.中国热带农业科学院 橡胶研究所,海南 儋州 571737;2.海南大学 热带农林学院,海南 海口 570228;3.农业部儋州热带作物科学观测实验站,海南 儋州 571737)
Author(s):
 CHEN Li123LAN Guo-yu13*TAN Zheng-hong2WU Zhi-xiang13QI Dong-ling13YANG Chuan13
 (1.Rubber Research Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737,China; 2.Institute of Tropical Agricultural and Forestry,Hainan University ,Haikou,Hainan 570228,China; 3.Danzhou Investigation & Experiment Station of Tropical Crops,Ministry of Agriculture,Danzhou,Hainan 571737,China)
关键词:
 橡胶林乡土树种混交林微生物量碳
Keywords:
 rubber plantation indigenous tree species mixed forest microbial biomass carbon
分类号:
S718.521.3
DOI:
10.3969/j.issn.1001-7461.2018.06.05
文献标志码:
A
摘要:
 为了探讨橡胶树与其他乡土树种混交对橡胶林土壤微生物生物量碳(MBC)的影响,以橡胶纯种林、橡胶×火力楠(Michelia macclurei)混交林和橡胶×米老排(Mytilaria laosensis)混交林为研究对象,分析3种林地土壤表层(0~10 cm、10~20 cm、20~30 cm)中的土壤微生物生物量碳的影响。结果表明,橡胶×火力楠混交林和橡胶×米老排混交林土壤微生物量碳分别下降了9.61%和9.87%,且分别在不同土层微生物量碳含量也减少了15.2%、8.78%、4.38%和11.95%、11.4%、5.97%;对混交林来说,微生物量碳受含水率、有机质、全氮、全磷和全钾影响不显著。纯种林土壤微生物熵分别比橡胶×火力楠混交林和橡胶×米老排混交林高了7.48%和3.79%。由于橡胶树与其他乡土树种混交,改变了土壤养分,而影响了土壤微生物量碳的含量。
Abstract:
 The purpose of this study was to understand the effects of the mixed cultivation of rubber trees with other indigenous tree species on soil microbial biomass carbon (MBC) in rubber plantations.Stands with different cultivation modes were used as research objectives,including planting pure rubber tree,mixed with Michelia macclurei,as well as with Mytilaria laosensis.Contents of MBC in different layers (0-10,10-20,20-30 cm) were measured.The effects of different cultivation modes on MBC were analyzed.The results showed that compared with pure rubber tree stand,the contents of MBC in mixed stands of M.macclurei and M.laosensis decreased by 9.61% and 9.87%,respectively.The MBC contents in three soil layers in two mixed stands mentioned above decreased by 7.55%,8.87%,12.29% and 4.02%,11.4%,13.74%,respectively.In the case of mixed stands,soil MBC was not significantly affected by water content,organic matter,total nitrogen,total phosphorus and total potassium.The ratios of soil Cmic/Corg of pure rubber stand were 7.48% and 3.79% higher than those mixed stands of M.macclurei and M.laosensis.It was concluded that soil MBC was affected by the changes of soil nutrients under mixed cultivation mode.

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备注/Memo

备注/Memo:
 收稿日期:2018-01-07修回日期:2018-04-03
基金项目:国家自然科学基金(31770661);外交部澜沧江-湄公河国际合作项目(081720203994192003)。
作者简介:陈莉,女,在读硕士,研究方向:森林生态。E-mail:915293617@qq.com
*通信作者:兰国玉,男,研究员,研究方向:森林生态。E-mail:langyrri@163.com
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