一、土壤选择选择土层深厚、排水良好、透气性强、有机质含量高的沙壤土或壤土。播种前精耕细作,做畦必须做到深耕、晒土、使土壤疏松、平整、土粒细碎。二、选用新种子选用经过筛选或风选,粒大饱满的杂交一代新种子。三、适时播种春萝卜在春分后大田播种,温室在惊 First, the choice of soil Select deep soil, good drainage, strong air permeability, organic matter content of sandy loam or loam. Sowing before cultivating, doing 畦 must be deep plowing, soil, the soil loose, smooth, fine soil particles. Second, the selection of new seed selection After screening or selection of wind, grain full of new generation of hybrid seed. Third, timely sowing spring radish sowing in the field after the spring, greenhouse in shock