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soil morphological characteristics
释义
soil morphological characteristics
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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arithmetic quotient
arithmetic register
arithmetic Riemann-Roch theorem
arithmetic ring
arithmetic root
arithmetic scheme
arithmetic semiformal system
arithmetic sequence
arithmetic sequence of higher order
arithmetic sequence problem
arithmetic series
arithmetic series of higher order
arithmetic set
arithmetic shift
arithmetic sign
arithmetic space
arithmetic structure
arithmetic subgroup
arithmetic sum
arithmetic summation of pinning force
arithmetic system
arithmetic theory
arithmetic transfinite recursion
arithmetic triangle
arithmetic underflow
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