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NPK配施对莴苣产量品质的影响研究

A STUDY OF THE EFFECTS OF COMBINED APPLICATION OF NPK ON THE YIELD AND QUALITY OF LETTUCE

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【作者】 徐卫红; 何天秀; 杨力;

【Author】 Xu Weihong;He Tianxiu;Yang Li (Resources and Environment College,Southwest Agricultural University,Chongqing 630716)

【机构】 西南农业大学资环院;

【摘要】 在酸性灰棕紫泥土上施用N20.7,P12,K36g/m ̄2(1.73:1:3)莴苣的产量、品质和经济效益最高。

【Abstract】 In a field experiment with lettuce on acid gray brown earth,various combina-tions of NPK were tested.Taking into consideration the yield and quality of the crop andits economic efficiency,the rate combination of 20.7g N plus 12g P2O5 and 36 g K2O perm ̄2 (with a ratio of 1.73:1:3)seemed most desirable and is recommended.

【关键词】 莴苣; 平衡—施肥; 氮; 磷; 钾;
【Key words】 nitrogen; phosphorous; potassium; head lettuce; balance-fertilizing;
  • 【文献出处】 西南农业大学学报 ,JOURNAL OF SOUTHWEST AGRICULTURAL UNIVERSITY , 编辑部邮箱 ,1996年04期
  • 【分类号】S636.206.2
  • 【被引频次】14
  • 【下载频次】74
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