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在肥力中等、其它条件正常的酸性红黄壤上，对２年生杉木幼林进行不同磷肥品种（磷酸氢二铵、过磷酸钙、钙镁磷肥）、不同施肥方式（沟施和穴施）的施肥试验。试验进行７个处理、３次重复的随机区组设计。结果表明：施肥后两年内各处理林木胸径、树高、当年抽高等生长指标差异不显著，但总的生物量及叶生物量差异明显，尤其是沟施磷酸氢二铵能明显增加叶和林木总的生物量；施肥后两年内磷肥的利用率以沟施磷酸氢二铵最高（１２．４５％），其次是沟施过磷酸钙（６．８２％）和钙镁磷肥（５．３９％），穴施磷肥利用率较低（＜４％）。
Fertilization experiments were conducted on two years old Chinese fir young plantations on acidic red and yellow soils with moderate fertility and other conditions. Different fertilizers (diammonium phosphate, superphosphate, calcium magnesium phosphate) and different fertilization methods . Seven trials were performed, and three randomized block designs were repeated. The results showed that there was no significant difference in DBH, tree height, and high growth index in the two years after fertilization, but there was significant difference between total biomass and leaf biomass, especially the diammonium phosphate ditch could significantly increase the leaf and forest Total biomass. The utilization rate of phosphate fertilizer in the two years after fertilization was the highest (12.45%) with ditch phosphate dihydrate, followed by ditch with superoxide calcium (6.82%) and calcium magnesium phosphate (5.39% ), The point of phosphate fertilizer utilization rate is low (<4%).