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1严格筛选树种1.1乡土树种黄骅市乡土树种共有国槐、旱柳、椿树、柽柳4个,其特点是耐瘠薄、抗盐碱,生长良好,抗病虫强。1.1.1国槐蝶形花科槐属,落叶乔木,根系发达,抗旱,耐瘠薄、盐碱,病虫害少,寿命长,耐烟毒能力强。甚至在缺水的地方都可以成活的很好,且槐树有根瘤菌,氮素营养充足,生长茂盛。是良好的绿化树种,常用作防护林和行道树。1.1.2旱柳杨柳科柳属,落叶乔木,耐干旱、盐碱,在含盐量0.25%的盐碱地上仍可生长,对病虫害及大气污染的抗性较强。萌芽力强,根系发达,生长量大。
1 Strict screening of species 1.1 native species Huanghua native species of a total of Sophora japonica, Salix, toon, Tamarisk 4, which is characterized by barren, salinization, good growth, resistance to pest and disease. 1.1.1 Sophora japonica Flower Sophora, deciduous trees, developed roots, drought, barren, saline, pests and diseases less, long life, resistance to drug abuse and strong. Even in places where water can survive well, and Ash tree rhizobia, nitrogen nutrient adequate, vigorous growth. Is a good afforestation species, commonly used as shelterbelts and street trees. 1.1.2 Willow willow genus Salix, deciduous tree, drought-resistant, saline-alkali soil salt and alkali can still grow 0.25% salt, strong resistance to pests and diseases and air pollution. Germinating strong, well-developed, large growth.