刘荣宁;张守仕;彭福田;薛丽丰;冯巧婷;谢克英;

• 1:河南农业职业学院
• 2:山东农业大学

摘要(Abstract)：

利用设施栽培草莓,对几种可能的增铵施肥方法进行了研究,结果表明,铵态氮肥撒施可以增加土壤中铵态氮浓度,达26 mg.kg-1,比不施肥处理高160%;提高铵态氮与硝态氮之比,达0.16,比不施肥处理高23%,但铵态氮及硝态氮浓度与2者之比下降很快,铵态氮和硝态氮浓度施肥后2个月分别降至16 mg.kg-1和76 mg.kg-1。腐殖酸钠与铵态化肥混施降低了铵态氮与硝态氮之比,具有较强的保肥能力。袋控缓释肥有效提高了土壤中铵态氮浓度、降低了硝态氮浓度,提高铵态氮与硝态氮之比,且能够长时间保持,铵态氮与硝态氮浓度分别维持在18 mg.kg-1与80mg.kg-1。袋控缓释肥和铵态氮肥添加腐殖酸钠撒施处理都能提高设施草莓产量,以袋控缓释处理产量最高,每666.7 m2产量达1577 kg,但是前期产量以铵态氮肥添加腐殖酸钠撒施处理最高,每666.7 m2产量达620 kg。

关键词(KeyWords)： 草莓;增铵施肥;腐殖酸钠;肥料撒施;袋控缓释肥

Abstract:

Keywords:

基金项目(Foundation): 十一五科技支撑重点项目(2008BADA4B05)

作者(Author): 刘荣宁;张守仕;彭福田;薛丽丰;冯巧婷;谢克英;

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