| Surface boundary layer - Ground layer | ชั้นผิวพื้น [อุตุนิยมวิทยา] |
| ground layering | (n) typical propagation technique where the original plants are set in the ground with the stem nearly horizontal, which forces side buds to grow upward. After that the original stem is buried up to the tip. At the end , the side branches will have rooted, and can be separated |
| ground layer | Note the function of the background layers of these graphic designs. |