Table 1.
Oil-consumption in oil-saturated desert soil (OSS) and OSS diluted to different degrees with pristine desert- and garden- soils.
| End of the month (min-max °C) | Oil-saturated soil (OSS) | OSS diluted with pristine desert soil | OSS diluted with pristine garden soil | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | I | II | III | ||||||||||
| A | B | A | B | A | B | A | B | A | B | A | B | A | B | ||
| 0 | March (22–34) | 144 ± 12.3 | 17 | 146 ± 1.5 | 16 | ND | ND | 142 ± 4.7 | 18 | 145 ± 3.4 | 16 | ND | ND | ND | ND |
| 1 | April (26–44) | 71 ± 3.1 | 59 | 64 ± 3.4 | 63 | 74 ± 3.6 | 57 | 75 ± 0.6 | 57 | 75 ± 1.0 | 57 | 81 ± 10.0 | 53 | 82 ± 8.1 | 53 |
| 2 | May (34–46) | 62 ± 1.4 | 64 | 53 ± 3.8 | 69 | 56 ± 6.1 | 68 | 60 ± 0.8 | 65 | 65 ± 2.4 | 62 | 62 ± 5.8 | 64 | 61 ± 5.3 | 65 |
| 3 | June (39–50) | 48 ± 7.1 | 72 | 48 ± 0.8 | 72 | 54 ± 0.2 | 69 | 51 ± 0.5 | 71 | 40 ± 0.7 | 77 | 54 ± 6.2 | 69 | 54 ± 10.5 | 69 |
| 4 | July (44–51) | 47 ± 1.7 | 73 | 41 ± 1.8 | 76 | 50 ± 3.4 | 70 | 46 ± 2.9 | 73 | 43 ± 0.05 | 75 | 48 ± 6.0 | 72 | 40 ± 8.0 | 77 |
| 5 | August (42–51) | 44 ± 0.51 | 74 | 40 ± 0.8 | 77 | 39 ± 0.4 | 77 | 40 ± 0.5 | 78 | 40 ± 1.0 | 77 | 44 ± 4.4 | 75 | 40 ± 6.5 | 77 |
| 6 | September (39–47) | 42 ± 1.9 | 76 | 39 ± 3.2 | 77 | 37 ± 2.2 | 79 | 47 ± 5.6 | 73 | 39 ± 1.5 | 77 | 42 ± 3.1 | 76 | 38 ± 5.1 | 77 |
I, II and III; 1 kg OSS mixed with 0.25, 0.50 and 0.75 kg pristine soil, respectively; A, gram residual oil per heap (initial concentration, 173 g in all heaps) ± standard deviation values; B, % oil consumed based on the initial concentration; ND, not determined. Samples were taken at the ends of the adaptation month (0 March) and of the 6 subsequent months.