一、适宜品种早熟抗病品种。二、培育壮苗黄瓜春大棚早熟栽培为的是提早采收,苗龄可适当延长,一般45天左右,以4—5片真叶展开、叶片肥厚、叶色浓绿、健壮无病幼苗最佳。不同黄瓜品种苗龄不同。为提高幼苗抗性,尽早缓苗,以利早熟丰产。定植前一周适当降低苗床温度,进行低温锻炼,白天温度控制在20—23℃,短时5—8℃,可显著增加幼苗抗寒性,定植后易缓苗。三、适期定植1、定植时期。当棚内最低地温即清晨日出后 First, suitable varieties of precocious disease-resistant varieties. Second, nurturing strong seedlings Cucumber greenhouse early cultivation for the early harvest, seedling age may be appropriate to extend the general 45 days to 4-5 true leaves unfold, leaf hypertrophy, leaf color dark green, robust disease-free seedlings good. Different cucumber varieties of different ages. To improve seedling resistance, as early as possible Huanmiao, to facilitate early yield. One week before planting, the temperature of seedling should be reduced and the temperature should be controlled at 20-23 ℃ and 5-8 ℃ in short period, which can significantly increase the cold resistance of seedling and seedling after planting. Third, the appropriate planting 1, planting period. When the shed floor temperature is the lowest after sunrise in the morning