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灰色森林土
释义
灰色森林土
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农学
灰色森林土
释
Grey forest soil
灰色森林土
发育在温带森林草原植被下具有深厚腐殖质层和明显二氧化硅淀积层的半淋溶型土壤。在中国第一次土壤普查时,称灰黑土类;在中国土壤分类(1978)和中国第二次土壤普查分类制(1988)中,列为淋溶土纲灰色森林土土类;在《中国土壤系统分类》(第3版)中,归属湿润雏形土、湿润均腐土或冷凉淋溶土;在美国土壤系统分类中,大致相当于黏化冷凉软土[注]、潮湿软土[注];在联合国世界土壤图图例中,大致相当于灰黑土集合土类[注]。又称灰黑土。
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separation of vertices
separation of workplace and residence
separation of zeros
separation of zirconium and hafnium
separation point
separation potential
separation principle
separation problem
separation process control system
separation process flowsheet design
separation relation
separation reliability
separation scheme
separation(separative) potential
separation(separative) work
separation system of decision and collection of fines
separation system of securities
separation test
separation test for spacecrafts
separation theorem
separatist regime in the middle and late Tang Dynasty
Separatists
separative
separative element
separative family
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