自然土壤:是在自然成土因素(母质、气候、生物、地形(貌)、时间)综合作用下形成的,未经人类开垦利用的自然植被下的土壤。
定义 中文名称: 自然土壤 英文名称: natural soil 定义1: 自然植被下形成的、未受人为活动干扰与影响的土壤。 应用学科: 地理学(一级学科); 土壤地理学(二级学科) 定义2: 自然植被下形成的、未受
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在很多地区,由于工业化肥和农药的持续使用,导致自然土壤的肥力正在下降,然而化肥的流入却导致湖泊中藻类生长得越来越快。
Natural soil fertility is dropping in many areas because of continuous industrial fertiliser and pesticide use, while the growth of algae is increasing in lakes because of the fertiliser run-off.
公园和街道绿地的土壤酸碱度均高于自然土壤和农业土壤;
The pH of soil in parks and streets are higher than in natural or agricultural soils.
采用常规方法研究了青藏高原东部几种自然土壤中放线菌区系及与土壤养分的关系。
Actinomycete population and their relations to soil nutrients were studied by normal methods in several natural soil samples collected from the eastern part of the Qinghai Tibet Plateau.
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