蘿卜生长,由于环境条件、品种、播种期、栽植密度、管理技术及采收期等原因,都有可能引起肉质根內部组織的变化,如将浙大长蘿卜提早播种、氮肥过多或采收过迟等都易引起肉质根的空心。根据杭州郊区农民的經驗,蘿卜在生长发育过程中有“三空 Radish growth, due to environmental conditions, variety, sowing date, planting density, management techniques and harvesting and other reasons, may cause changes in the internal structure of the fleshy root, such as the early planting of radish Zheda, excessive nitrogen or harvest Too late and so easy to cause the fleshy roots of hollow. According to the experience of farmers in the suburbs of Hangzhou, radish in the process of growth and development have "three empty