Table 4. Number of reads per sample after filtering singleton OTUs.
| Sample ID | No. of reads assigned to OTUs after filtering singletons | |
|---|---|---|
| CS_R1 | 85,062 | |
| CS_R2 | 61,993 | |
| CS_R3 | 59,345 | |
| BC_R1 | 88,024 | |
| BC_R2 | 72,434 | |
| BC_R3 | 79,711 | |
| BO_R1 | 91,975 | |
| BO_R2 | 102,965 | |
| BO_R3 | 100,921 | |
| AC_R1 | 103,214 | |
| AC_R2 | 84,141 | |
| AC_R3 | 156,630 | |
| AO_R1 | 88,212 | |
| AO_R2 | 93,209 | |
| AO_R3 | 100,661 | |
| Total sequences/reads | 1,368,497 | |
CS: Clean sandy soil; BC: Control oil contaminated bulk soil without barley plants; BO: Barley planted oil contaminated rhizosphere soil; AC: Control oil contaminated bulk soil without alfalfa plants; AO: Alfalfa planted oil contaminated rhizosphere soil.