枸溶性与水溶性钾肥配施对烤烟生长的影响

Guizhou Agricultural Sciences(2016)

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Abstract
为缓解钾肥紧缺问题,并为枸溶性钾肥在农业生产上的开发应用提供依据,通过盆栽试验研究枸溶性钾肥与水溶性钾肥(烟草专用硫酸钾)不同比例配施对烤烟农艺性状、干物质积累、叶绿素含量、根系结构及根系活力的影响.结果表明:枸溶性钾肥与水溶性钾肥配施能促进烤烟生长,不同配施比例的效果不同.以75%枸溶性钾肥+25%水溶性钾肥(枸溶性钾肥)配施处理效果最优,能显著增加烤烟的生物量和叶绿素含量,提高烤烟根系活力.枸溶性钾肥可部分替代水溶性钾肥.
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