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由河南省农科院园艺所选育而成“伏葱1号”新品种抗热耐寒,植株高大,长达1.2～1.7米,葱白长60～80厘米,味道鲜美,抗逆性强,高产,667平方米可产5000公斤以上。该品种可在夏季麦收后播种,育苗期间占地很少,不耽误种植秋作物。来年清明前后收获上市,不耽误种植春季蔬菜。由于春季清明节前后就可上市销售,此时温度尚低,病虫害尚未活动,一般情况下,不需要使用农药,属于纯天然无公害蔬菜。具体栽培技术如下: 一、播种前的准备 1.选地块:大葱育苗时,要选用地势平坦、土壤肥沃、灌排方便、耕作层厚的地块。茬口应选择近期内没种过大葱、洋葱、大蒜、韭菜的地块。
Horticulture by the Henan Provincial Academy of Agricultural Sciences, “Volunteers on the 1st” new varieties of heat-resistant cold, tall plants, as long as 1.2 to 1.7 meters, onions white 60 to 80 cm long, delicious, strong resistance, high yield , 667 square meters can produce more than 5000 kg. The varieties can be sowed in the summer after harvest wheat, seedlings during the seldom occupied, do not delay planting autumn crops. Harvest around the year after the harvest, do not delay planting spring vegetables. Since the spring before and after the Ching Ming Festival can be marketed at this time the temperature is still low, pests and diseases have not yet been active, under normal circumstances, do not need to use pesticides, are natural and pollution-free vegetables. Specific cultivation techniques are as follows: First, the preparation before sowing 1. Select plots: scallion nursery, we must choose flat, fertile soil, irrigation and drainage convenience, farming layer thick plots. Stubble should choose not to plant in the near future onions, onions, garlic, leek land.