Black pine seedlings cuttings should be 15-25 cm in length, not the best choice when the branches, cuttings cut the horseshoe, the cuttings soaked 2-8 hours, and then began to pine grafting, using the abutment and ventral way connected . Black pine seedlings about 30 days after planting, interfaces begin to heal, while some budding branch president rootstock for budding branches should be cut off, otherwise it will affect access seedling growth. In high humidity conditions, the seedbed weed growth quickly weed should be promptly removed, so as not to affect the growth of pine seedlings. In addition to Moe weeding and can be combined. Learn pine seedlings grafted knowledge to be able to make our black pine seedlings more robust growth. To pine seedling planting base will be able to let us learn more knowledge. http://www.lyheisong.net