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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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History of Jin Dynasty
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history of ko-hemp cultivation
history of Kuwait
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history of lacquer technology
history of large crocker fishing in China
history of Larimichthys crocea rearing
history of Larimichthys polyactis fishing in China
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History of Liang Dynasty
History of Liao Dynasty
history of Liaohe River conservancy
history of librarianship in the West
history of libraries in China
history of libraries in Hongkong
history of libraries in Macao
history of libraries in modern western countries
history of library science in modern China
History of Literature in Vernacular Chinese
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