无霜期 meaning in English
frost free period
frost free season
frost-free days (period)
frost-free growing season
frostfree season
frost-freedays（period）
frost-proof date
frostless season
period of frost free
Examples
- In the eastern mountain areas , the frost - free season lasts only about 120 days while the snows season is long
东部山区无霜期每年仅120天左右，积雪期长。 - Particularly the growth duration of rice variety selected has to be little less than the frost - free period of the rice growing site
特别是所选水稻品种的生育期一定要小于种稻地点的无霜期。 - The average annual temperature is about 17 . 1 with average 6 of the coldest day ( jan ) and average 27 . 8 of hottest day ( jul )
多年大于或等于10以上的年积温5600 ,无霜期长达306 ? 328天。 - The sunshine duration is long , the temperature difference is big , the frost - free period is long , and the annual solar radiation amount is much , which is good for the growth of crops
日照时间长，昼夜温差大，无霜期长，年太阳能辐射量大，对农作物生长十分有利。 - It can germinate at 0 ? and develop at 3 - 5 c even suffer from chilliness of - 21 c . at the fifth or sixth year , it ablooms at july , fruits at august or september . when the seeds are scattered by wind , the plant turn to death
其自然生长环境的土壤偏酸性，有机质含量极低，气候多变，最高月平均温度3 5 ，最低月平均温- 19 - 21 ，年降水量800mm ，无霜期仅有50d左右。