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灰化淀积层
释义
灰化淀积层
Encyclopedia
农学
灰化淀积层
释
spodic horizon
灰化淀积层
具有灰化淀积物质(有机质和铝或有机质和铁、铝)淀积的土层。由螯合淋溶作用形成的一种淀积层。是在高山冷湿的针叶林木下,真菌分解凋落物产生的可溶性腐殖质与矿物表面风化出的铝和铁发生强烈的络合作用,可溶性络合物随降水下渗并积聚在B层的结果。
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Yan
Yan-1 Well
Yanagi Miwa
Yanai Wataru
Yan'an
Yan'an Academy of Sciences
yanan coal measures
Yan'an Constitutional Promotion Association
Yan'an Drama Movement
Yan'an Film Studio
Yan'an News Photography Agency
Yan'an Photography Team
Yan'an Pingju Opera Research Institute
Yan'an Revolutionary Memorial Hall
Yan'an Revolutionary Sites
Yan'an Shi
Yan'an Taofen Bookstore
Yan'an University
Yan'an Youth Art Theatre
Yan'an Zhongshan Library
Yanbain Xian
Yan Baoli
Yanbian cattle
Yanbian Chaoxianzu Zizhizhou
Yanbian Museum(Yanbian Korean Folk Museum/Yanbian Korean Revolution Museum)
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