我区气候寒冷,无霜期短,为了延长露地果菜类生长期和提早上市,通常采取育苗方法。冷床(即阳畦)育苗一般是在四月上旬左右播种,有塑料薄膜复盖播期能提早10余天。定植期一般是在5月上中旬,冷床育苗的苗令最长也超不过50～60天,按茄子、辣椒要求育90～120天长令壮苗的标准是难以达到的。 Cold weather in our area, frost-free period is short, in order to extend the growth and early listing of fruits and vegetables on the open, usually taken nursery method. Cold bed (ie, Suet Yang) nursery seedlings are generally sown around early April, a plastic film covering sowing earlier than 10 days. Colonization is generally in mid-May, cold bed nursery seedlings up to 50-60 days too, according to eggplant, pepper requirements of 90 to 120 days to grow strong seedling standard is difficult to achieve.