Research Article
Short-Term Effects of Biogas Digestates and Pig Slurry Application on Soil Microbial Activity
Table 1
Chemical, physical, and microbiological characteristics of the soil used in the experiment [
10].
| Parameter | Value |
| Chemical analyses | | pH | 5.6 | Org-C (%) | 1.3 | Tot-C (%) | 1.3 | Tot-N (%) | 0.1 | Tot-P (mg kg−1 ds) | 700 | Tot-S (mg kg−1 ds) | 200 | P AL (mg kg−1 ds) | 48 | K AL (mg kg−1 ds) | 185 | Cu (mg kg−1 ds) | 26 | Zn (mg kg−1 ds) | 91 | Cd (mg kg−1 ds) | 0.3 | Ni (mg kg−1 ds) | 24 | Pb (mg kg−1 ds) | 20 | Cr (mg kg−1 ds) | 36 | Physical analyses | | DM (%) | 85.3 | Sand (%) | 14–20 | Silt (%) | 36–44 | Clay (%) | 37–49 | WHC (g g−1 ds) | 0.51 | Microbial analyses | | NMC (g N g−1ds 10 d−1) | 21.2 | PAO (ng NO2-N g−1 ds min−1) | 4.8 | PDA (ng N2O-N g−1 ds min−1) | 7.8 | B-resp (g CO2 g−1 ds h−1) | 0.78 | SIR (g CO2-C g−1 ds h−1) | 13.5 |
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