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organic inorganic compound fertilizer
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organic inorganic compound fertilizer
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农学
有机无机复合肥料
释
organic inorganic compound fertilizer
有机无机复合肥料
将禽畜粪便、动植物残体、城市垃圾、污泥、秸秆、木屑和食品加工废料以及草炭、褐煤、风化煤等有机物料经过发酵处理和一定比例的氮、磷、钾无机肥料混合制成的复合型肥料。
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left differential coefficient
left dimension
left directed quasiorder
left directed set
left direct product
left displacement
left displacement operator
left distributive law
left distributivity
left division
left division algorithm
left divisor
left divisor of zero
left domain
left double-sweep
left dual couple
left eigenvector
left element
left elevation
left endpoint
left Engel element
Leften Stavros Stavrianos
left equivalent matrix
left essential extension
left exact contravariant functor
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