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在介绍黄土高原地区引种试验美国植物资源现状的同时 ,分析了不同植物在黄土高原地区各引种区的生长和适应性。根据我国黄土高原地区和美国北部、中西部现代植物区系成分的相关联系及其地理分布和不同生态条件的分析 ,探讨美国植物资源在我国黄土高原地区的引种试验及前景。结果表明 :在黄土高原地区引种美国植物不仅潜力巨大 ,而且许多优良植物在该区农牧业生产、水土保持治理中发挥了重要作用 ,取得了明显的经济效益、生态效益和社会效益。
This paper introduces the introduction and trial of the status of American plant resources in the Loess Plateau, and analyzes the growth and adaptability of different plants in the introduction areas of the Loess Plateau. Based on the correlation of the modern flora in the Loess Plateau and North America and the Midwest and its geographical distribution and different ecological conditions in the United States, this paper explores the introduction and prospect of the American plant resources in the loess plateau of China. The results showed that the introduction of American plants in the Loess Plateau is not only great potential, but also many fine plants play an important role in agricultural and animal husbandry production and soil and water conservation in this area. Obvious economic, ecological and social benefits have been achieved.