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humic acids fertilizer
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humic acids fertilizer
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腐植酸肥料
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humic acids fertilizer
腐殖酸肥料
由植物残体经过分解形成的一类高分子多种缩合酸性基化合物及其与植物矿质营养化合而成的化合物。属于有机肥料。
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