刘加芬;李慧峰;于婷;王玉霞;李芳东;李林光;

• 1:山东省果树研究所

摘要(Abstract)：

于2009—2010年,对沂蒙山区46处苹果园肥料施入特点及养分盈亏状况进行调查分析,目的是为该区苹果园养分的科学施入提供依据。结果表明,调查区内有87.1%的果园施用了有机肥、100.0%的果园施用了复混肥、7.1%的果园施用了高氮高磷高钾复混肥;通过化肥施入氮、磷、钾素量高于有机肥的,其中施入化肥氮、磷、钾素量的平均值分别为理论需养量的160.3%,184.8%和132.0%,有机肥的分别为101.1%,143.4%和67.6%;氮、磷、钾素盈余的果园分别占调查果园总量的96.2%、100.0%和84.9%;每0.067 hm2氮(N)、磷(P2O5)、钾(K2O)盈余量均值分别为73.9、57.6、45.1 kg;部分果园土壤明显酸化。认为生草覆草应作为提高土壤有机质的主要途径;建议养分施入应综合考虑土壤状况、树势及氮磷钾3元素在土壤中的表现特征,计算养分施入量时要考虑有机肥的养分含量;提出了沂蒙山区苹果园施肥的参考方案及减缓土壤酸化的施肥原则。

关键词(KeyWords)： 苹果园;施肥状况;土壤养分盈亏

Abstract:

Keywords:

基金项目(Foundation): 国家现代苹果产业技术体系建设专项经费(CARS-28);; 山东省科技攻关项目(2008GG10009010)

作者(Author): 刘加芬;李慧峰;于婷;王玉霞;李芳东;李林光;

Email:

DOI: 10.13925/j.cnki.gsxb.2011.04.012

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