Author:
Datta Rahul,Vranová Valerie,Pavelka Marian,Rejšek Klement,Formánek Pavel
Abstract
Abstract
The mesh size of sieves has a significant impact upon soil disturbance, affecting pore structure, fungal hyphae, proportion of fungi to bacteria, and organic matter fractions. The effects are dependent upon soil type and plant coverage. Sieving through a 2 mm mesh increases mineralization of exogenously supplied carbohydrates and phenolics compared to a 5 mm mesh and the effect is significant (p<0.05), especially in organic horizons, due to increased microbial metabolism and alteration of other soil properties. Finer mesh size particularly increases arabinose, mannose, galactose, ferulic and pthalic acid metabolism, whereas maltose mineralization is less affected. Sieving through a 5 mm mesh size is suggested for all type of experiments where enhanced mineralization of low-molecular-weight organic compounds needs to be minimalized.
Publisher
Institute of Agrophysics Polish Academy of Sciences
Subject
Fluid Flow and Transfer Processes,Soil Science,General Agricultural and Biological Sciences,Water Science and Technology
Cited by
35 articles.
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