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Effects of different nitrogen levels and forms on the appearance quality and photosynthesis characters of potted chrysanthemum with small inflorescences
Author(s): 
Pages: 45-50
Year: Issue:  1
Journal: Acta Agriculturae Zhejiangensis

Keyword:  chrysanthemum with small inflorescencesnitrogen levelsnitrogen formsphotosynthesis character;
Abstract: 研究了无土基质栽培的不同氮素水平(1,3,8,16,26 mmol/L)和氮素形态配比(NH_4~+;-N:NO_3~-;-N分别为4:0,1:3,2:2,3:1,O:4)对小菊外观品质、叶绿素含量和光合特性的影响.结果表明,氮素水平为16 mmoL/L时对小菊营养生长期较适宜,能显著提高株高、冠幅、植株鲜重和叶片数等;而8 mmol/L氮素水平适于花发育期需求,利于提高单株花序数、花干重和延长花...
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