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丽江市永胜烟区土壤养分丰缺评价

Journal of Anhui Agricultural Sciences(2022)

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Abstract
准确评价永胜烟区土壤养分丰缺状况,为烟区合理施肥及土壤保育提供参考.运用数学统计方法对永胜烟区土壤养分进行丰缺评价.结果表明,土壤pH适宜;有机质缺乏,适宜比例较低;活性氯中等,适宜比例低;碱解氮适宜比例较高;有效磷含量较低,适宜比例较低;速效钾适宜比例低;有效硫含量偏高,适宜比例较低;有效锌适宜比例不高,含量偏高;有效硼含量不高,适宜比例不高;交换性钙偏高,适宜比例较低.评价烟区土壤养分丰缺状况,生产上遵循"补氮、提磷、增钾、降氯,重施有机肥,少施碱性肥料"的施肥原则,提高土壤肥力,实现烟叶提质增效.
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