不同施肥处理对分葱周年生产的影响

Influence of Different Fertilization Treatments on Bunching Onion Anniversary Production

通过对分葱进行测土配方平衡施肥,研究了不同施肥处理对分葱产量的影响,得出分葱周年生产的最佳施肥量,春葱基施甘蔗灰45 t/hm2、农家肥1 500 kg/hm2、过磷酸钙750 kg/hm2,追施尿素375 kg/hm2,分3次施;夏葱基施甘蔗灰15 t/hm2、鸡粪3 750 kg/hm2;追施复合肥255 kg/hm2、尿素75 kg/hm2、氯化钾165 kg/hm2,第1次追施尿素75 kg/hm2、复合肥105 kg/hm2,第2次追施复合肥150 kg/hm2、氯化钾165 kg/hm2;秋葱基施甘蔗灰30 t/hm2、农家肥750 kg/hm2、过磷酸钙285 kg/hm2;追施复合肥180 kg/hm2、氯化钾180 kg/hm2、尿素75 kg/hm2,第1次追施尿素75 kg/hm2、复合肥75 kg/hm2,第2次追施复合肥105 kg/hm2、氯化钾180 kg/hm2。

Through soil testing and different fertilization treatment we studied the effects of different fertilization treatments on Bunching onion production and get the best fertihzation formula of bunching Onion anniversary production Spring onion basal sugarcane ash 45 t/hm2.farmyard manure 1 500 kg/hm2.calcium superphosphate 750 kg/hm2,topdressing urea 375 kg/hm2,points three times input;summer onion basal sugarcane ash 15 t/hm2, fowl manure 3 750 kg/hm2,topdressing compound fertilizer 255 kg/hm2.urea 75 kg/hm2 .potash chloride 165 kg/hm2-topdressing urea 75 kg/hm2. compound fertilizer 105 kg/hm2 first time,topdressing compound fertilizer 150 kg/hm2.potash chloride 165 kg/hm2 second time ;autumn onion basal sugarcane ash 30 t/hm2.farmyard manure 750 kg/hm2、calcium superphosphate 285 kg/hm2.topdressing compound fertilizer 180 kg/hm2.potash chloride 180 kg/hm2 .urea 75 kg/hm2-topdressing urea 75 kg/hm2 .compound fertilizer 75 kg/hm2 first time ,topdressing compound fertilizer 105 kg/hm2.potash chloride 180 kg/hm2 second time.