关于小老头树改造的探讨唐璋琪小老头树是我区造林中出现的一个老大难问题。长期以来，由于宜林荒山、荒地、荒沙面积大，造林绿化任务重，对它的改造问题一直难以顾及。随着林业事业的发展，小老头树的改造问题必将逐步提到议事日程。一、基本情况根据１９８０年“建国三... On the transformation of small old tree Tangzhang Qi small old tree is my afforestation in the emergence of a chronic problem. For a long time, because of afforested hills, wasteland, deserted sand area, heavy afforestation tasks, its transformation has been difficult to take into account. With the development of forestry, the transformation of the old man’s tree will be gradually referred to the agenda. First, the basic situation under the 1980 "founding three ...