po membrane is used in autumn and spring, which can insulate crops and resist wind and rain. Do a small arch shed first, and then do agricultural mulch: the plastic film is used for a small arch shed first, and then the mulch is applied after it falls down, which can be used for the planting of early maturing crops in spring. The bamboo or tree technique used for the arch shed should be smooth and clean without beveling to prevent scratching the plastic film. Watermelon special po film in storage at that time pay attention to what problems?

1. Dry bag storage method

The watermelon special po film that covers the crop, cleaned and folded, packed into a bag, tied up a sealing bag, placed in a humid, shady area, do not have to be close to pyrogen, prevent sunlight from mildew, and its method can generally be stored for 2 years.

Second, cellar storage method

The watermelon special film is cleaned, then fold it with water beads, put it in a bag, tie the bag with a string, and put it in the basement. This method is better than dry bag storage.

Three, soil preservation method

The covered watermelon special po film film, clean the soil, fold or fold it into bundles, pack it in a packaging bag, dig an 80cm deep grave pit, put the watermelon special film into it, and cover 30cm thick soil on top. Storage as water storage method.

After planting crops in early spring, the new film is covered on the plot surface, and then the old PO film is made into a small arch shed outside the new film. Or after the transplantation of crop seedlings, use the new film to break the hole as agricultural mulch film, and make a small arch shed outside to set the old film, which can improve the environmental humidity of the soil layer, promote the seed germination and the growth and development of the seedlings, so that the old film can be used twice, and the new film can be applied again.