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曲靖烟区植烟土壤主要养分现状分析及施肥对策

Hubei Agricultural Sciences(2010)

Cited 18|Views30
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Abstract
对曲靖烟区83个土壤样品养分现状的分析。结果表明,pH值平均值为6.24,有机质36.4g/kg、全氮0.9g/kg、全磷0.7g/kg、全钾4.6g/kg、碱解氮127.11mg/kg、速效磷28.80mg/kg、速效钾194.23mg/kg。曲靖烟区土壤养分含量丰富,部分植烟土壤为酸性和偏酸性。针对曲靖烟区植烟土壤养分状况,应当合理控制氮、磷、钾的施肥量,并应适当调节烟区土壤pH值。
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Key words
nutrients,Qujing,soil,flue-cured tobacco
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