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P.Blaser等人测定了栗树残落叶的水浸液中的元素组成、氨基酸分配、红外光谱和羧基含量。他们发现干物质的元素组成中N和S的含量较土
P.Blaser et al. Determined the elemental composition, amino acid distribution, infra-red spectrum and carboxyl content in the aqueous extract of chestnut tree leaves. They found that the content of N and S in the elemental composition of dry matter is more than that of soil