Result The diversity index, richness and evenness index of microbial community in the 2-year and 7-year monocropping soil decreased with the increasing of planting history, and cucumber yield dropped obviously.
结果连作黄瓜2年和7年的土壤微生物群落多样性指数、丰富度及其均匀度指数均随着黄瓜种植年限的增加而降低,黄瓜产量显著下降。
参考来源 - 期刊学术社区·2,447,543篇论文数据，部分数据来源于NoteExpress
The nematode community richness index and evenness index in Grafted maofen plots were 0.55 and 0.73, which were 0.51 and 0.76 in maofen plots.
嫁接毛粉番茄根围土壤线虫群落丰富度指数为0.55，均匀度指数为0.73，毛粉番茄丰富度指数为0.51，均匀度指数为0.76。
Both the species richness and the abundance of predacious and neutral insects were relatively smaller, but predators had the highest evenness index.
捕食性和中性昆虫的种类和数量相对较少，但捕食者的均匀度最高。
The plant species richness index is not positive relevant to species evenness index for which represents the evenness extent of species distribution instead of the quantity of species.
物种丰富度指数与均匀度指数并非存在正相关关系，均匀度指数反映的是物种分布的均匀程度，并不反映其物种数量的多少。
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