How do winter pineapple gardens do a good job in cold protection?

Winter pineapple garden cold work:

When the winter is approaching, you can spray the protective pineapple to promote the pineapple from freezing damage. You can also cover the top of the pineapple with straw or other materials. If you cover it with a white plastic film, it can effectively protect the pineapple. Growing.

If the pineapple garden has been damaged by freezing, don't worry, when the spring is warm, clean the pineapple park, remove the dry and bad leaves, fertilize the soil, and sterilize with the bactericidal pesticide to protect the pineapple from bacterial infection. Good growth.