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石灰岩土
释义
石灰岩土
Encyclopedia
农学
石灰岩土
释
Limestone soils
石灰岩土
湿润热带、亚热带地区由碳酸盐岩(如纯质灰岩、硅质灰岩、泥灰岩、白云质灰岩、白云岩和石灰质白云岩等)经溶蚀风化堆积而形成的厚薄不等、钙饱和或含游离碳酸钙、岩性特征明显的土壤。属石质初育土亚纲。在中国土壤系统分类(2001)中,相当于黑色岩性均腐土、钙质湿润雏形土、钙质常湿雏形土、钙质湿润富铁土等;在美国土壤系统分类(2014)中,大致相当于黑色石灰软土[注]、湿润始成土[注];在联合国世界土壤资源参比基础(2014)中,大致相当于薄层土[注]、雏形土[注]。又称石灰土。
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physical region
physical regionalization
physical register file
physical remediation technology
physical restoration methods and techniques
physical restoration technology for fishery environment
Physical Review D
physical schema
physical search
physical security
physical security engineering
physical self
physical self-esteem
physical sensor
physical signal
physical signal; causal signal
physical simulation
physical simulation of groundwater
physical simulation test for relay protection
physical solution
physical stability of pharmaceutical preparations
physical sterilization
physical structure
physical symbol system hypothesis
physical system of manufacturing process
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