- Tytuł:
- Effect of soil sieving on respiration induced by low-molecular-weight substrates
- Autorzy:
-
Datta, R.
Vranova, V.
Pavelka, M.
Rejsek, K.
Formanek, P. - Powiązania:
- https://bibliotekanauki.pl/articles/24645.pdf
- Data publikacji:
- 2014
- Wydawca:
- Polska Akademia Nauk. Instytut Agrofizyki PAN
- Tematy:
-
soil
sieving
respiration
carbohydrate
phenolics
amino acid
microorganism - Opis:
- 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.
- Źródło:
-
International Agrophysics; 2014, 28, 1
0236-8722 - Pojawia się w:
- International Agrophysics
- Dostawca treści:
- Biblioteka Nauki