辽宁省凤城市通远堡镇林家台村农民于海生利用塑料大棚培育柑桔获得成功。 于海生于1988年建起一座70平方米的塑料大棚,从南方引进母本柑桔苗木,在棚内培育幼苗,进行插芽嫁接,次年春将成活的柑桔苗移栽在大棚内,夏季揭下大棚的塑料薄膜,在冬季将塑料薄膜覆盖上,保证棚内温度,防止苗木发生 Farmers in Linjiatai Village, Tongyuanbao Town, Fengcheng City, Liaoning Province, succeeded in cultivating oranges by using plastic sheds. Yu Haisheng built a plastic shed of 70 square meters in 1988, introduced maternal citrus seedlings from the south, nurtured seedlings in the shed, grafted and inserted grafts, and transplanted the surviving citrus seedlings in the greenhouses in the following spring. Uncover the plastic film in the shed, cover the plastic film in the winter to ensure the shed temperature, to prevent seedling occurrence