Table 1 Chemical and biological analysis of soil samples incubated with and without the studied gold nanoparticles
From: Effects of the biogenic gold nanoparticles on microbial community structure and activities
Parameter | Control 0 day | Control 28 days | With Au, 28 days | |
|---|---|---|---|---|
16 mg kg−1 soil | 33 mg kg−1 soil | |||
TOC (mg kg−1) | 16.44 | 15.87 | 16.07 | 16.09 |
TKN (mg kg−1) | 3.45 | 3.21 | 3.3 | 3.36 |
pH | 7.3 | 7.45 | 7.55 | 7.55 |
C:N | 4.8 | 4.9 | 4.8 | 4.8 |
a in CSEA | 4120 ± 42.5 | 3850 ± 47.4 | 3230 ± 41.7 | 3170 ± 31.7 |
a in NA | 5900 ± 60.7 | 5450 ± 59.3 | 4740 ± 55.5 | 4820 ± 47.9 |
a in PDA | 1860 ± 28.9 | 1740 ± 25.1 | 1000 ± 18.6 | 1120 ± 15.9 |
a in YMA | 5670 ± 51.7 | 4920 ± 55.3 | 4110 ± 46.6 | 4310 ± 44.4 |
Cop a | 690 ± 9.8 | 670 ± 7.5 | 560 ± 6.8 | 580 ± 6.1 |
Copsf a | 210 ± 6.5 | 200 ± 7.5 | 250 ± 5.9 | 240 ± 7.3 |
Olig a | 550 ± 9.4 | 530 ± 8.1 | 510 ± 4.8 | 520 ± 7.8 |
Oligsf a | 80 ± 6.7 | 73 ± 7.1 | 82 ± 5.8 | 83 ± 8.9 |
Am a | 3100 ± 37.7 | 3000 ± 35.8 | 2780 ± 35.5 | 2650 ± 36.5 |
Im a | 2850 ± 33.8 | 2790 ± 36.7 | 2600 ± 38.1 | 2670 ± 35.5 |
Azotobacter spp. a | 25 ± 4.4 | 21 ± 3.7 | 24 ± 2.9 | 23 ± 5.2 |
Cel a | 124 ± 18.2 | 115 ± 11.6 | 119 ± 11.4 | 115 ± 12.4 |
Arthrobacter spp. a | 4100 ± 53.7 | 4120 ± 51.5 | 4210 ± 53.4 | 4050 ± 44.9 |
Pseudomonas spp. a | 3510 ± 49.6 | 3470 ± 35.6 | 3470 ± 32.6 | 3300 ± 32.5 |
Actinomycetes a | 2560 ± 31.8 | 2510 ± 39.5 | 2550 ± 33.3 | 2495 ± 31.9 |
AWCD | 1.18 ± 0.03 | 1.19 ± 0.03 | 1.21 ± 0.04 | 1.23 ± 0.07 |