The frames and plastic sheeting is to prevent frost, I think. The black plastic also helps absorb heat in the cold months so the plants can incubate. They're basically creating a miniature greenhouse around the asparagus hills to maintain an ideal temperature.
It's frost protection much like a green house it's called a low tunnel and helps trap and keep warm air around the plants alowing them to sprout earlier getting a larger harvest
The frames and plastic sheeting is to prevent frost, I think. The black plastic also helps absorb heat in the cold months so the plants can incubate. They're basically creating a miniature greenhouse around the asparagus hills to maintain an ideal temperature.
It's frost protection much like a green house it's called a low tunnel and helps trap and keep warm air around the plants alowing them to sprout earlier getting a larger harvest
Great