soil species

基本解释

To analyze the easily - happening accidents of the various foundation soil species in the urban area, find out their causes and point out the precautionary ways and dealing measures.
本文对城区不同地基类型中易发事故的分析，找出了事故原因，提出了预防方法和处理措施。
The major soil species suited for vegetable were gray salt paddy soil, gray mud paddy soil and black salt paddy soil, which occupied 92. 42% of total fields suited for vegetable in Licheng.
全区宜菜地土壤类型主要为灰埭田、灰泥田和乌埭田，占全区宜菜地总面积的92.42％。
Through field survey and chemical analysis, it showed that increased of salt content in soil, species of plant and density of community were decreased and salt tolerance species were dominated.
随土壤含盐量的增加，植物种类逐渐减少，群落总盖度降低，而耐盐强度大的翅碱蓬逐渐成为优势种。

Natural selection kept those survivor species viable in the soil as a plan for the future.
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They will record plant species, forest structure, ash cover, soil properties, river sediment and the overall topography of the burned area.
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Species of plants, insects, and bacteria that lay dormant in the soil are brought to life, energized and fertilized by the super-heat of the fire .
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