1选用良种黄瓜属喜温作物 ,对低温非常敏感 ,因此 ,早春保护地栽培应选择耐低温、弱光的“津杂”、“津春”或“津优”系列的品种。2浸种催芽播种前 2～ 3天催芽。催芽前晒种 2～ 3天 ,催芽时用清水湿选种子 ,剔除浮在水面的未熟种子 ,后将种子倒入 5 5℃热水中 ,不停搅动 ,浸 1 selection of cucumber is a thermophilic crop, is very sensitive to low temperature, so early spring protection should choose low-temperature resistant, low light, “Zinc”, “Jinchun” or “Jinyou” series of varieties. 2 soaking seed germination 2 to 3 days before sowing germination. Pre-germination basal 2 to 3 days, when germination wet selection of seeds with water, remove the unripe seeds floating on the water, after the seeds into the hot water at 55 ℃, stirring constantly, dip