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在贵州林校实验室和苗圃内分别进行了杉木、华山松、侧柏、喜树等几个主要树种的稀土催芽试验和稀土施用试验。试验结果表明 :不同稀土浓度对不同树种甚至对同一树种的影响是不同的 ,并且对其中部分树种具有显著的影响
In the forest labs and nurseries of Guizhou province, the rare earths germination test and rare earth application test of several main tree species such as Chinese fir, Pinus armandii, Platycladus orientalis and Camptotheca acuminata were carried out. The results showed that the effects of different rare earth concentrations on different species and even on the same species were different and had significant influence on some species