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山地草甸土
释义
山地草甸土
Encyclopedia
农学
山地草甸土
释
Mountain meadow soil
山地草甸土
发育在平缓山地上部喜湿性草甸植被及草甸灌丛草甸矮林下,具有暗腐殖质表层和氧化还原特征的土壤。在中国土壤分类系统(1978)中,列为高山土纲山地草甸土类;在中国第二次土壤普查分类系统(1988)中,列为半水成土纲、山地草甸土土类;在中国土壤系统分类(2001)中,相当于潮湿寒冻雏形土[注]、暗色潮湿雏形土[注]、滞水潜育土[注];在美国土壤系统分类(1999)中,大致相当于腐殖寒性始成土[注];在世界土壤资源参比基础(2104)中,大致相当于腐殖质雏形土[注]单元和永冻雏形土[注]单元。又称山地灌丛草甸土。
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principle of the point of accumulation
principle of the unattainability of absolute zero
principle of the unification of subjectivity and objectivity
principle of timely recovery
principle of time value of money
principle of transference
principle of transfinite induction
principle of translation criticism
principle of treatment
principle of trivalence
principle of ubiquity of diachronism
principle of uniform boundedness
Principle of uniformity of temperature difference field
principle of uninterrupted trial
principle of unity and sequentiality of educational influence
principle of unity of knowledge and practice
principle of universal suffrage
principle of using native language
principle of utmost good faith
Principle of Valuable Idea
Principle of Vectoring
principle of velocity potential superposition
principle of virtual displacement
principle of virtual displacements
principle of virtual force
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