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当前位置: 首页 > 文章 > 杉木乳源木莲不同混交比例凋落物分解研究 安徽农业科学 2018,46 (28) 101-103
Position: Home > Articles > Study on Litter Decomposition with Different Mixed Ratios of Cunninghamia lanceolata and Manglietia yuyuanensis Law Journal of Anhui Agricultural Sciences 2018,46 (28) 101-103

杉木乳源木莲不同混交比例凋落物分解研究

作  者：
童浩
关键词：
杉木;乳源木莲;混交林;凋落物;分解;混交比例
摘  要：
[目的]研究不同杉木乳源木莲混交比例不同凋落物组分的分解状况。[方法]在三明市郊国有林场10年生杉木乳源木莲混交林不同比例试验林中,利用网袋法对不同组分凋落物分解进行研究。[结果]经过2年的分解,不同组分凋落物在分解速度上存在显著差异。凋落物乳源木莲叶在混交比例为2∶1时分解最快,凋落物残留率为40.51%,周转期为6.05年;凋落物杉木叶在混交比例为1∶1时分解最快,凋落物残留率为71.22%,周转期为17.02年;凋落物乳源木莲枝在混交比例为3∶1时分解最快,凋落物残留率为67.23%,周转期为14.40年。[结论]综合分析,营建的杉木乳源木莲混交林比例宜为2∶1。
译  名：
Study on Litter Decomposition with Different Mixed Ratios of Cunninghamia lanceolata and Manglietia yuyuanensis Law
作  者：
TONG Hao;Fujian Sanming Suburban State-owned Forest Farm;
关键词：
Cunninghamia lanceolata;;Manglietia yuyuanensis Law;;Mixed forest;;Litterfall;;Decomposition;;Mixed proportion
摘  要：
[Objective]To study the decomposition of different litter components in mixed forest of Cunninghamia lanceolata and Manglietia yuyuanensis Law.[Method]At the state-owned forest farm in the suburbs of Sanming,the litter decomposition of different components of 10 years old C. lanceolate and M. yuyuanensis Law mixed forest with different ratios was studied by net bag method.[Result]After decomposition of two years later,there was a significant difference in litter decomposition rate between different components.M. yuyuanensis Law leaves decomposed fastest in the ratio of 2 ∶1,litterfall residue rate was 40.51%,the turnover period was 6.05 a.C.lanceolata leaves decomposed fastest in the ratio of1 ∶1,litterfall residue rate was 71.22%,the turnover period was 17.02 a.M.yuyuanensis Law branch decomposed fastest in the ratio of 3 ∶1,litterfall residue rate was 67.23%,the turnover period was 14.40 a.[Conclusion]The proportion of C.lanceolata and M. yuyuanensis Law should be 2 ∶1.

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