Cultivation method for cured tobaccos

The invention provides a cultivation method for cured tobaccos. The cultivation method comprises the following steps: preparing a tobacco field; ridging and ditching; watering; planting; fertilizing; scattering poison bait; covering a film on the soil, wherein the step of preparing the tobacco field further comprises the step of applying a base fertilizer after loosening the soil of the tobacco field, and the applying volume of the base fertilizer is 2700-3000kg/hm ; the step of planting comprises the step of maintaining the planting row space of the tobacco seedlings at 48-52cm and the planting depth at 10-15cm; the step of fertilizing comprises the step of applying the fertilizer for seed bed after planting, the fertilizer is 10-15cm away from the tobacco seedlings and the applying volume of the fertilizer is 150-225kg/hm . The cured tobaccos cultivated according to the method provided by the invention have the advantages that the quality of the cured tobaccos is high, the nicotine content is low, the percentage of the high-medium tobaccos in the total tobacco amount is 90-95% and the nicotine content of the middle tobacco is 1.7-2.0%.