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Effects of Bio-activated Organic Fertilizer On Root Growth of Flue-cured Tobacco and Microorganism Quantities of Rhizosphere Soil
Author(s): 
Pages: 69-72
Year: Issue:  11
Journal: Journal of Henan Agricultural Sciences

Keyword:  烤烟活化有机肥根系土壤微生物;
Abstract: 为探明活化有机肥对烤烟根系生长和土壤微生物的影响,于2008年对活化有机肥的施用效果进行了研究.结果表明,施用活化有机肥促进了烟株根系的生长发育,增加根鲜重和根体积,提高了根系活力,从而提高烟株对土壤水分和养分的吸收能力.同时,施用活化有机肥增加了土壤中三大类群的微生物数量,这对提高烟田养分利用效率可起到一定作用,其中以施用5g/株的效果较好.
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