覆盖地膜 草莓是喜冷凉且耐寒植物，地温 2℃时根系开始活动；气温 5℃时地上部开始生长。据气象资料表明： 2月份土层 5～ 10厘米，平均地温在 2℃左右， 3月份平均气温在 8℃左右。此时虽说草莓已开始生长活动，但地温、气温偏低，草莓生长缓慢，如果在 2月份给露地栽培的 Mulch mulching strawberries are like cold and cold-tolerant plants, root temperature began to activity at 2 ℃; the temperature began to grow when the temperature was 5 ℃. According to meteorological data show that: February soil 5 to 10 cm, the average temperature at 2 ℃, the average temperature in March at about 8 ℃. At this point although strawberries have begun to grow activity, but the ground temperature, the temperature is low, the strawberries grow slowly, if the open-field cultivation in February