尿素施用量对油茶扦插苗生长的影响

Effect of Different Urea Levels on Growth of Camellia oleifera cuttings

以油茶1年生扦插幼苗为研究材料,利用环状沟施法研究了不同施用尿素量(2g,4g,8g)对油茶幼苗生长的影响。结果表明,对油茶扦插苗施用尿素,可以促进苗木生长,但不同施用量对苗木生长的影响不同,从苗高、地径、新梢生长量来看,施用4g尿素时促进作用最大,比施用2g或8g的处理效果均要好,说明施用尿素有一个合理的量;从生物量来看,以施用8g的处理效果为好,说明从苗木生物量来说,多施肥还是有效果的。

Effects on growth of young Camellia oleiferacuttings at different urea levels was studied by furrow application in circularity.The results showed：urea promoted growth of cuttings,but the effects were different at different levels.The promotion effect was the most obvious when applied 4 g urea compared to 2 g,8 g or CK in consideration of height,ground diameter,this indicates there is a suitable quantity when we apply fertilizer.In consideration of cutting biomass,applied 8 g urea was the biggest,which showed applied more urea is in favor of accumulating biomass.