随着生活水平的提高,甘薯已成为人们所喜爱的食品。然而,由于受季节限制,甘薯只能满足人们9～4月份的需求,其余几个月非常短缺。甘薯双膜覆盖,使甘薯早结薯早上市,卖个好价钱,也满足了人们的需求,还能早腾出地来进行秋栽育秧,实现了高效反季节生 With the improvement of living standards, sweet potato has become the favorite food. However, due to seasonal restrictions, sweet potatoes can only meet people’s needs from April to April, the remaining months are very short. Sweet potato double-film coverage, so sweet potato early tubers early morning market, selling a good price, but also to meet people’s needs, but also early out for autumn planted seedlings, to achieve efficient anti-seasonal health