On the basis of compared mutually the activa-tion, fractions composition and quantitative 13C-NMR spectrum, most suitable concentration of humates to accelerate wheat germination was defi ned.

• 在对比其腐植酸盐活性、级分组成和13C-NMR波谱定量数据的基础上,提出了腐植物质的结构特征和性质之间的关联模型,以便在不进行试验室和田间试验的情况下能有效地探寻新的活性腐植酸盐类。