问:我栽培的令箭荷花去年开花,可今年没开花,怎样使令箭年年开花? 天津薛泳答:成龄令箭荷花可以年年开花,但又往往隔年开花。碰到这种情况应按下述方法管理:①令箭荷花喜湿润土壤,但在春季必须控制浇水,当叶状茎发蔫叫再行给水,这有利花芽的分化。②无需大肥,更不要只施氮肥。可用少量骨粉、 Q: I planted the arrowhead lotus flowering last year, this year did not flowering, how to make the arrow flowering year? Tianjin Xue Swimming Answer: Age-old arrows can flowering flowers, but often bloom next year. In this case should be managed as follows: ① so that the arrow lotus-like moist soil, but in the spring water must be controlled when the phyllodes pedicle hair re-feed water, which is conducive to the differentiation of flower buds. ② without fertilizer, not to mention only nitrogen fertilizer. Available a small amount of bone meal,