论文部分内容阅读
刺槐(R. Pseudo—acaciaL.)原产美国,解放前引入我国,现已有七十多年的历史。开始多用于城市绿化,在公园中零星栽植,解放后开展了大面积造林,而且已经遍及北方许多省份,成为主要的造林树种。我省也有许多市县用于绿化和造林,但发展不快。为了引起重视和积极发展刺槐这一优良树种,现简介一下刺槐的优良特性和栽植时应注意的几个问题。一、刺槐的优良特性 1.刺槐是用途广泛的树种刺槐是豆科阔叶落叶树种。枝叶富含养分,不仅可改良土壤,而且是很好的饲料。可花食,有醇香,是最好的蜜源,槐花蜜是蜂蜜中的上品。刺槐材质坚硬,适宜做车具、农具、
R. pseudoacacia (L. pseudoacacia L.) originated in the United States and was introduced into our country before liberation. Now it has a history of more than seventy years. Began to be used for urban afforestation, sporadic planting in the park, after the liberation launched a large area afforestation, and has been in many northern provinces, as the main afforestation species. There are also many cities and counties in our province used for afforestation and afforestation, but the development is not fast. In order to attract attention and actively develop this excellent species of acacia, we will briefly introduce the excellent characteristics of acacia and several problems that should be noticed when planting. First, the excellent characteristics of black locust 1 locust is a widely used species of black locust locust leaf deciduous tree species. Foliage rich in nutrients, not only can improve the soil, but also a good feed. Flower, mellow, is the best source of honey, honey Sophora japonica is the top grade. Locust hardwood material, suitable for vehicles, farm tools,