Covering the literally, it is a layer of materials on the soil of the vegetable garden, which can inhibit weeds, maintain moisture, and regulate the ground temperature. For coverage, it is usually divided into inorganic and organic covers. These two types of covers can provide the benefits brought by coverage, but each one has its own advantages and disadvantages

Pine scale can be used to cover, soil improvement, and cultivation medium. Pine bark for planting generally can be made into pine scales through rotten, crushed (grinding), grading, fumigation and insecticide.

The polished pine bark is more rounded, beautiful, without rough corners, and has a wide range of use.