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土壤形态
释义
土壤形态
Encyclopedia
农学
土壤形态
释
soil morphological characteristics
土壤形态
包括颜色、质地、结构、孔隙、紧实度、新生体、侵入体、构造和厚度等的土壤外部特征。土壤形态是土壤发生发展历史的集中反映,也是认识土壤形成和演化历史的关键。因此,土壤形态特征是研究土壤发生和诊断土壤性质的基础,是划分土壤层次和确定土壤分类的重要依据,也是野外土壤描述的主要内容。
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chemical cycle of carbon
chemical cycle of nitrogen
chemical cycle of phosphorus
chemical cycle of sulfur
chemical database
chemical decanning
chemical decladding
chemical decladding; chemical decanning
chemical decontamination
chemical defense
chemical defense of insect
chemical degradation
chemical degradation of polymers
chemical deodorant method of sediment
chemical diffusion
chemical digestion
chemical diversity synthesis
chemical doping white light-emitting polymer
chemical dosimeter
chemical dynamics
chemical dynamics of aquatic system
chemical ecology
chemical effect in nuclear reaction
chemical electronic business
chemical element
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