经济树种——新银合欢文／高尚士新银合欢又名萨尔瓦多银合欢，原产中美洲，是含羞草科多年生常绿乔木。因其生长迅速，适应性强，用途广泛且生物产量高，被联合国列为重点推广的最佳树种之一。新银合欢是深根性树种，主根发达，能深入土层下部，并像许多豆科植物一样，有... Economic tree species - the new Acacia / noble Acacia Acacia, also known as El Salvador Acacia, native to Central America, is a mimosa perennial evergreen tree. Because of its rapid growth, adaptability, versatility and high biological yield, the United Nations as one of the best to promote the species. The new Acacia is a deep-rooted tree species, the main root developed, can penetrate the lower part of the soil, and, like many leguminous plants, there are ...