我省平原湖区地域辽阔,土壤深厚肥沃,适合多种林木生长。枫杨、苦楝、香椿、旱柳、榆树、黄连木等几十种乡土树种在这里土生土长,根深叶茂,表现出速生特性。为了加速平原绿化,林业科技工作者又不断引进了一些新的外来 Plains Lake District, a vast territory, rich and fertile soil, suitable for a variety of tree growth. Maple, Melia, Chinese Toon, Salix, elm, Pistacia dozens of native tree species here native, deep roots, showing the characteristics of fast growing. In order to speed up the plains greening, forestry scientists continue to introduce some new foreign