一、选择适宜的品种 春萝卜易抽薹,应选耐寒性强、抽薹晚,不易空心,丰产、优质的品种。红皮品种有日本的二十日大根和四十日大根,国产的四缨子春萝卜、寿光春萝卜等,白皮品种有章丘的水萝卜等优良品种。 二、适用晚播 播种越早,抽薹率越高,但播种过晚,生长期短,产量低,所以要适期晚播,北京地区露地直播3月中下旬到4月初撒播,亩用种1.8～2kg。 三、合理密植,确保苗全苗壮 首先要精细整地,使畦面平坦,土壤细碎,以防灌水后土层下陷; First, select the appropriate varieties Spring radish easy bolting should be selected hardy, bolting late, not hollow, high yield, high quality varieties. Red varieties are Japanese on the 20th and 40th on the big root roots, made four tassel spring radish, Shouguang spring radish, white varieties have Zhangqiu water radish and other fine varieties. Second, the application of late sowing the sooner the bolting rate is higher, but the sowing too late, short growth period, low yield, it should be late sowing, Beijing live broadcast mid to late March to early April sowing, mu 1.8 ~ 2kg. Third, rational close planting, to ensure that seedlings Zhuang Zhuang first fine ground, so flat noodles, fine soil, to prevent the soil subsidence after irrigation;