12/22/2023 0 Comments Nitro PDF Professional 14.7.0.17 free![]() All other C fractions were relatively more abundant in black locust than in black pine. ![]() The 13 C CPMAS NMR spectra of newly shed leaf litter of black locust and black pine revealed that O-Alkyl-C components (including cellulose and hemicelluloses) accounted, respectively, for 53.8% and 61.4% of the total area of the spectra. ![]() Newly shed leaf litter of black locust had significantly higher concentrations of ADSS (acid detergent soluble substances) as well as lower concentrations of cellulose and AUR (acid unhydrolyzable residues that include lignin) and higher AUR-to-Cellulose ratio than that of black pine. To this purpose, data from proximate analyses were compared with those from CPMAS 13 C NMR. ![]() Changes of organic components were investigated along decomposition of black locust (Robinia pseudoacacia L.) leaf litter and black pine (Pinus nigra Arn.) needle litter in the native adjacent coeval forest stands. Litter quality is an important determinant of soil organic matter formation. ![]()
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