随着国家西部大开发战略和“山川秀美”工程的实施,以及“退耕还林、封山育林”活动地扎实推进,许多地方把大量引进新品种,营造经济林、速生丰产林作为林业生产的重点,争取在较短时间内从中受益,增加收入。这对于农林为主要收入的地区来说,是加快林业发展步伐的必由之路,也是人适应市场经济大潮的必然选择。然而,不结合当地实际情况,不经过试验示范盲目引种, With the implementation of the national strategy for the great western development and the project of “Beautiful Mountains and Rivers,” and the “Returning Farmland to Forestry and Closing Hillsides for Afforestation” activities, a large number of places have introduced a large number of new varieties to create economic forests and fast-growing and high-yield forests as the focus of forestry production. In a relatively short period of time to benefit from, increase revenue. This is the only way for accelerating the pace of forestry development in areas where agriculture and forestry are the main sources of income and the inevitable choice for people to adapt to the tide of market economy. However, without considering the actual situation in the area and blindly introducing it without trial and demonstration,