对直干桉进行过3个肥种施肥量、造林密度、整地方法和规格等5个因素4个水平的试验.本文初报了试验开展近2年的观测及分析结果,阐述了现阶段不同栽培措施对直干桉生长影响的顺序,各因素不同水平与直干桉生长的关系,以及带来的经济效益.提出满足2年生直干桉速生、丰产、效益三指标的合理栽培措施. The results showed that there were 4 factors including 5 fertilizers, planting densities, soil preparation methods and specifications for 4 species of straight eucalyptus.Firstly, the results of observations and analysis of the experiment carried out for nearly 2 years were elaborated, The order of the effect of cultivation measures on the growth of Eucalyptus urophylla, the relationship between different factors and the growth of Eucalyptus urophylla, and the economic benefits brought by it were put forward.The reasonable cultivation measures to meet the three indicators of fast growing,