论文部分内容阅读
在春季造林过程中,山东苗木却出现了结构性余缺。从山东省林业局获悉,今年,全省共需要各类苗木10亿株左右,贮备的苗木总体可以满足造林需要。但是,由于个别地方造林计划的调整和种苗市场的活跃,全省苗木出现了结构性余缺。在用材苗木方面:1—2年生毛白杨大量过剩,全省积压约8000万株;中林46等杂交杨也出现剩余,剩余量约3000万株;而大规格的毛白杨和107杨树苗普遍缺乏,全省缺少约3000万株。
In the process of afforestation in spring, there are still structural defects in Shandong seedlings. From the Shandong Provincial Forestry Bureau was informed that this year, the province needs a total of about 1 billion seedlings of various types, the reserve of seedlings can generally meet the needs of afforestation. However, due to the adjustment of individual afforestation programs and the active seed market, structural deficits have emerged in seedlings across the province. In the timber nursery stock: 1-2 years old white poplar excess, the province backlog of about 80 million; Zhonglin 46 and other hybrid poplar appears surplus, the remaining about 30 million; and large-size poplar and 107 poplar The general lack of about 30 million missing in the province.