【摘要】 运用试验设计及数理统计的方法探讨了氮磷钾肥对南板蓝穿孔病危害程度的影响及该病的防治措施。在南板蓝的栽培周期内,南板蓝穿孔病在7月12日前后的危害最重。在尿素、碳铵、硝铵3种肥料中,使用尿素时南板蓝穿孔病的发生率最低,危害程度最轻。氮、钾肥的施用量及氮、磷肥的合理配施对南板蓝穿孔病的防治具有重要作用。更多还原

【Abstract】 The experimental design and mathematical statistic method has been used to find the fertilizer’s influence of nitrogen,phosphor and kalium on the hazard index of holing illness and to find the prophylactic-therapeutic measures.In strobilanthes cusia’s whole life,the holing illness do it’s best harm to strobilanthes cusia around July 12.Among the carbamide,ammonium bicarbonate(ABC) and ammonium nitrate which are all nitrogenous fertilizer,the carbamide play an activest role in prevention and cure.The quantity of nitrogen fertilizer and potash fertilizer and the proportion of nitrogenous-phosphatic fertilizer are very important to the prevention and cure of holing illness.更多还原