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春季栽培萝卜如果先期抽薹,就会严重影响萝卜的品质,使之丧失营养和食用价值。可采取以下几种措施防治春季栽培萝卜抽薹。播种前土壤须提早耕翻,以腐熟有机肥和化肥作为基肥。一般在萝卜播种前,每667m~2施入畜禽粪便2 500~4 000kg,活土肥5 000kg,过磷酸钙15~20kg。选择冬性较强的品种。种子萌发后,10℃以下经历15d,苗期光照时长13~14h,肉质根成熟前不抽薹
If the spring planting radish bolting, it will seriously affect the quality of radish, loss of nutrition and food value. Can take the following measures to prevent spring planting radish bolting. Soil before sowing should be plowed earlier to decompose organic and chemical fertilizers as basal fertilizer. Generally, before radish sowing, 2 500 ~ 4 000 kg of livestock manure, 5 000 kg of live soil fertilizer and 15 ~ 20 kg of superphosphate are applied every 667 m ~ 2. Choose a stronger winter varieties. Seed germination, the following 10 ℃ 15d, seedling light when the length of 13 ~ 14h, the fleshy root before maturity bolting