‘Shelter belts’ is a reference to:

🔑Key Points:
-‘Shelter belts’ is a reference to planting lines of trees.
-Shelterbelts are rows of trees, usually along fence lines.
-They are planted mainly to protect animals or crops from cold winds, but also to give shade in hot weather.
-In regions such as Canterbury where there is a lot of cultivated land, shelterbelts also reduce wind erosion.
-Shelter belts are a series of trees or shrubs that are grown in a form of the horizontal line adjacent to the field.
-A series of trees planted to grow in the edges of a field in order to protect the fields from high-speed winds.

🔴Additional Information:
-A row of trees planted to protect an area from the wind is known as windbreak, alternatively known as shelterbelts.
-It is a method where the planting of trees done along agricultural fields in such a manner that protects soil from erosion from around crops, and give them shelter from the wind.
-Shelterbelt: A windbreak (shelterbelt) is a planting usually made up of one or more rows of trees or shrubs planted in such a manner as to provide shelter from the wind and to protect soil from erosion.
-They are commonly planted in hedgerows around the edges of fields on farms.
-A shelterbelt of Deciduous forest may have a low porosity in summer but a much higher porosity in winter.
-They do act as a shelterbelt as they are the dry regions and their trees help in controlling the soil loss.
-Livestock shelterbelts protect livestock and livestock facilities. Roadside shelterbelts may be planted for snow control along roads, and for dust reduction.