草莓经几次霜冻之后,外界温度降至-7℃前,要及时盖防寒保暖物,使其在田间安全越冬。草莓只有在良好的保暖防寒条件下才能保持绿色.可以继续生长并制造养分,才会使草莓在早春生长快、成熟早、产量高。 防寒保暖的方法很多,有设风障、盖草、埋土及压厩肥等,在密植的草莓园中,可每隔10～15厘米设风障一道, Strawberry after several frosts, the outside temperature dropped to -7 ℃, to cover cold warmth in time to make it safe in the field wintering. Strawberries are green only when they are warm and cold, and growing and producing nutrients will allow them to grow fast, mature early and yield high in early spring. There are many ways to keep warm and keep warm. There are wind barriers, cover grass, buried soil and pressure manure, etc. In dense strawberry garden, wind barrier can be set every 10 ~ 15 cm,