Using ALA, the quality of the young seedlings of Amorpha fruticosa and the rate of forestation survival of Pinus sylvestris, Pinus tabulaeformis and Platycladus oriental were observed.

• 以紫穗槐种子为材料，采用土壤表面喷施和叶面喷施方法，研究了ALA对紫穗槐幼苗生长的影响；