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本文就黔中地区，稀土在华山松种子育苗过程中，对场圃发芽率、苗木生长以及抗性等方面的影响作了试验。试验结果表明：施用稀土能提高华山松场圃发芽率，促进苗木高生长
In this paper, the author studied the effects of rare earths in the seed germination of Pinus armandii in the central Guizhou province on the germination rate, growth and resistance of nursery stock. The results showed that application of rare earth could increase the germination rate of Huashan pine farm and promote the growth of seedlings