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在大棚果蔬扣棚后,将大棚内,包括走道、水沟在内的所有地面,全部用地膜覆盖起来,借以减少棚内地面水分的蒸发,降低棚内空气湿度,进而起到防病和治病,提高棚内气温和地温,达到壮树或壮苗的目的。
After the fruit and vegetable shed in the shed, all the ground, including the walkways and ditches, will be covered with plastic film to reduce the evaporation of moisture in the shed and reduce the humidity in the shed, Sick, raise the temperature and ground temperature in greenhouse to achieve the purpose of strong tree or strong seedling.