How many years will it take for Chinese pine to be flat-headed?

How long it takes for a pine tree to have a flat head depends on the modeling method and modeling, and the time required is also different.

The time of pine flat cutting should be controlled between 1 1 ~ 2 months. At this time, the sap flow is stable and the wound loses less sap after flat cutting.

Pine trees belong to Pinaceae and Pinaceae. Its crown is pyramid-shaped, its branches are wheel-shaped, its leaves are linear and lanceolate, its edges are toothed, and then it becomes needles. Different varieties are distributed in different areas.

Most kinds of pine trees are tall and straight, reaching a height of 45 meters after maturity, and the DBH is 1.5 meters. And they are all made of good materials, with many columns. Korean pine, the "king of wood" in the northeast of China, tall Pinus ponderosa (up to 75 meters) widely distributed in the west of North America, the fastest growing pine radial pine originated in the coastal area of California, slash pine originated in the southeast of the United States, Caribbean pine originated in the Caribbean of America, and Pinus densiflora widely distributed in the west and north of Eurasia. , are famous timber trees.