摘要
研究了氮肥对玫瑰苗期生长的影响,结果表明,切花玫瑰苗期对氮素依赖性极强,苗期集中表现在花冠宽及株高的变化,N3较N0花冠宽增长9.14%,株高增长7.33%;叶片叶绿素及养分含量显示,花农常规肥料使用量并非最优氮肥施肥量,在低氮肥N1施用条件下,玫瑰苗期生长与高氮N3条件差异不显著。因此,推荐切花玫瑰苗期低氮施用,以提高肥料利用率,减少氮损失,利于土壤环境可持续发展。
Studied the effect of nitrogen fertilizer on seedling growth of rose, the results showed that the cutting of rose seedlings to single voxel dependent strong seedling, concentrated on the corolla width and height changes, N3 than NO corolla width growth 9.14%, plant height growth of 7,33%; leaf blade chlorophyll and nutrient content of flower grower and conventional fertilizer use quantity display was not the optimal nitrogen fertilization, nitrogen fertilizer application at low N1 conditions, rose seedling growth and high nitrogen N3 conditions no significant difference. It was recommended to cut rose seedling low nitrogen application, in order to improve fertilizer utilization, reducing nitrogen loss, favorable soll environment sustainable development.
出处
《天津农业科学》
CAS
2013年第1期29-31,46,共4页
Tianjin Agricultural Sciences
基金
教育部重点项目(3124)
云南省自然科学基金重点项目(2003C0006Z)
教育部"春晖计划"项目(Z2005-2-65005)
关键词
氮
切花玫瑰
苗期
nitrogen
rose
seedling stage
