新银合欢(Leucaena leucocephala)原产于中、南美洲和太平洋诸岛,60年代初引入我国海南岛,是一种多年生豆科木本植物,被称为“四料树”(即饲料、肥料、燃料和木料)。我场于1981年引进试种,通过多年的试验观察和比较利用,认为它具有适应性强、粗蛋白含量高、固氮、速生、萌芽力强、喜阳光和耐 Leucaena leucocephala native to Central and South America and the Pacific Islands, introduced in the early 60s in Hainan Island, China, is a perennial leguminous woody plant, known as the “four-tree” (ie feed, fertilizer , Fuel and wood). My field was introduced in 1981, through many years of experimental observation and comparative utilization, that it has adaptability, high crude protein content, nitrogen fixation, rapid growth, strong sprout, like sunlight and resistance