桉树作为短周期纤维材经营 ,显示出良好的经济效益。同时 ,为了解决地力衰退的问题 ,新西兰、澳大利亚、巴西、中国的南方在本世纪 80年代开展了桉树纤维材施肥试验研究 ,并广泛应用于生产。在桉树引种北缘区的湖南 ,开展了桉树人工林林地营养元素的分布规律研究。现将研究结果 Eucalyptus as a short-cycle fiber business, showing good economic returns. At the same time, in order to solve the problem of the decline of soil fertility, South China in New Zealand, Australia, Brazil and China carried out fertilization experiments on eucalyptus fiber in the 1980s and applied them extensively to production. In the introduction of eucalyptus north margin of Hunan, carried out eucalyptus plantation forest nutrient distribution of the law. Now the research results