摘要
通过对岷江上游连香树、云南松、云杉3种典型森林植被凋落叶及其土壤相同比例混合室内模拟混交实验,研究各处理土壤微生物量C、N的动态变化,以揭示不同凋落叶混合后对土壤微生物活性有无加强作用。结果表明:阔叶树种连香树与针叶树种云南松和云杉均以1∶1混合,对其相应混合土壤的微生物量C、N都有明显的促进作用,这对选择混交树种及配置具有指导意义。
Through simulation experiment of leaf litters associating with forest soil of 3 kinds of typical forest(Cercidiphyllum japonicum,Pinus yunnanensis,Picea asperata)in the upper reaches of Minjiang River the regularities of dynamitic changes of the contents of carbon and nitrogen in soil microbiomass(MB-C) and(MB-C) were studied to reveal the effect of different litters mixed on edaphon activation.The results showed that in the situation of mixed with 1∶1 proportion of broadleaf of C.japonicum litter with coni...
出处
《西北林学院学报》
CSCD
北大核心
2008年第4期23-26,29,共5页
Journal of Northwest Forestry University
基金
国家自然科学基金(30471376)
中国科学院成都生物研究所开放实验室基金
