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水耕氧化还原层
释义
水耕氧化还原层
Encyclopedia
农学
水耕氧化还原层
释
hydragric horizon
水耕氧化还原层
在水耕条件下铁锰自水耕表层兼自其下垫土层的上部亚层还原淋溶,或兼有由下面具潜育特征或潜育现象的土层还原上移,并在一定深度中氧化淀积的土层。是中国土壤系统分类中诊断表下层之一。
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thematic element data acquisition
thematic geographic information system
thematic geological survey
thematic guide
thematic map
thematic map color index
thematic map content design
thematic map mathematical model
thematic mapper,TM
thematic map structure pattern
thematic map symbol
thematic map symbolization
thematic photography
thematic relation
thematic research strategies
thematic role
thematic role assignment
thematic role relation
thematic structure
The Matrenin dvor
The Matter of Face
the Mausoleum of Dr. Sun Yat-sen
the maximum combustion temperature
the maximum explosion pressure
the maximum pressure rise rate
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