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Status of Nutrient Contents of Tobacco Growing Soil and Fertilization Strategy in Yongzhou
Author(s): LIANG Wen-xu, JIN Zhi-li, LI Zhen-wu
Pages: 377-
381
Year: 2012
Issue:
4
Journal: Crop Research
Keyword: 植烟土壤; 养分; 施肥; 永州;
Abstract: 2010年对永州市50个种烟乡镇的629个植烟土壤样品的养分状况进行了调查分析.结果表明:永州烟区土壤pH总体偏碱性,土壤有机质含量较高,土壤氮、磷营养贮藏及供应水平较高,土壤速效钾供应相对不足.利用聚类分析法将50个乡镇土壤聚合为5种类型,总结了各类型土壤养分特征及施肥方法,指出生产上应遵循控氮、稳磷、增钾、施足基肥、早施追肥的原则.
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