霜冻会给农作物以极大的伤害。去年和今年静岗县连续发生霜冻,农作物受到强烈为害,经济损失大。特别是茶叶品质、产量、经济效益最好的头茶,其生育期也是晚霜发生严重之时,对于防霜,农民也一年比一年更为关心了。防霜方法有各种方法,但能够实用的很少,现在广泛普及的是覆盖法和送风法两种。 Frost can cause great damage to crops. Last year and this year, Jinggang continuous frost occurred, crops are strongly harmed, economic losses. Especially tea quality, yield, the best economic tea, the growth period is also a serious night cream, for the frost, farmers are more concerned about each year. There are a variety of ways to prevent frost, but few can be practical, and now widely popular method is covered and air two.