Labile fractions of soil organic carbon in mollisols from different climatic regions

被引：0
作者：
Saljnikov, E. [1 ]
Cakmak, D. [1 ]
Kostic, L. [1 ]
Maksimovic, S. [1 ]
机构：
[1] Inst Soil Sci, Belgrade 11000, Serbia
来源：
AGROCHIMICA | 2009年 / 53卷 / 06期
关键词：
Labile organic matter; moisture; mollisols; temperature; MICROBIAL BIOMASS; MATTER;
D O I：
暂无
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Characterization of Labile Fractions of Soil Organic Carbon in Mollisols from different climatic regions. The research studied the potential mineralization and characterization of labile SOM of different types of Mollisols: Hapludolls, Argiudolls, Calciustolls, and Haplustolls. Labile C fractions distributed oppositely than total SOC and were the greatest in Calciustolls and the lowest in Hapludolls. The amount of soil microbial biomass C (MBC) was significantly higher in dry than in wet regions. The highest amount of light fraction C was in dry-thermic followed by dry-frigid, and the least amount was in wet regions. Dry regions were able to retain a higher level of labile C than the moist regions, due to a slower annual decomposition rate.
引用
收藏
页码：376 / 385
页数：10
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