苹果无公害标准化施肥方案及配套专用肥研究Studies on the standard fertilizing formula and specific fertilizers for apple trees in organic orchards
李四俊;钟泽;刘项荣;解建庄;李广献;
摘要(Abstract):
在制定出果园1a的施肥方案上,根据土壤条件配制专用肥,从横向和纵向两方面实施果园平衡施肥技术,结合新型肥料生产技术的应用,达到提高肥料利用率,减少肥料投入量,防止过度施肥对环境造成危害等目的。结果表明,以《无公害食品苹果生产技术规程》中推荐的施肥量为对照,在专用肥氮、磷、钾的施入量分别减少1/3和1/2的情况下,补充适当微量元素和有机质,取得了树体营养、产量和品质均显著提高的效果。施肥方案与专用肥的结合,是实现果园标准化施肥的有效途径。
关键词(KeyWords): 苹果;无公害苹果园;施肥方案;专用肥
基金项目(Foundation): 河南省重大科技攻关项目“无公害苹果生产关键技术研究与示范”内容之一
作者(Author): 李四俊;钟泽;刘项荣;解建庄;李广献;
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参考文献(References):
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