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宜昌植烟土壤养分含量变化特征

刘刚,李浩,董贤春,乔德平,秦铁伟

Journal of Anhui Agricultural Sciences（2019）

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Abstract
对比宜昌烟区2003与2016年植烟土壤养分,分析4个县植烟土壤养分主要化学指标的变化趋势.结果表明,土壤pH有升有降,五峰、长阳土壤酸化趋势明显,兴山碱化趋势明显.植烟土壤有机质除秭归外,其他3县均增加.碱解氮含量有升有降,晾烟区增加,烤烟区下降.速效磷含量全部大幅提高.速效钾含量升高,尤其是兴山增加幅度最高.
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