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fu zhi suan lei fei liao fen lei guo jia biao zhun bian zhi shuo ming
Author(s): 
Pages: 47-48
Year: Issue:  2
Journal: Humic Acid

Abstract:  1标准编制背景 腐植酸是构成土壤肥力的基础物质,腐植酸类肥料属于绿色环保肥料.以腐植酸为重要组成成分和营养元素载体的肥料统称为腐植酸类肥料.最早成为商品肥料的腐植酸类肥料是以煤炭腐植酸为原料.
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