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腐殖酸类肥料
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腐殖酸类肥料
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新型肥料
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humic fertilizers
腐殖酸类肥料
以泥炭、褐煤、风化煤、秸秆和木屑等为主要原料,经过化学处理或再掺入无机肥料而制成的新型肥料。是一种含有腐殖酸类物质的新型肥料,也是一种多功能肥料。简称腐肥。
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formal specification
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Formal Typology
formal undecidable proposition
formal universal deformation
formal unsolvability
formal vector field
formal versal deformation
formal wear
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formamidase
formamide
form and arrangement of lines in calligraphy
form and content
Form and Fabric in Landscape Architecture
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