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在二年生马尾松幼林中进行了三种不同比例的施肥试验，施肥后二年的调查结果表明，施肥对马尾松幼树树高生产有一定促进作用，但未达显著水平，而对幼树地径的生长则有显著或极显著的影响，在施肥量相同时，以N：P=1：2的施肥效果最好。
Three different fertilization experiments were conducted in the young Pinus massoniana young plantation. The results of two years after fertilization showed that fertilization could promote the production of tree height of young Masson pine, but did not reach the significant level, The growth of diameter had a significant or extremely significant effect, with the same amount of fertilizer, N: P = 1: 2 fertilization best.