Table 2 Abundance of phosphate solubilizing bacteria in soil samples from agricultural plots under no-till management in Argentina
Geographic site | Month of sampling in study year (2010) | Agricultural treatment | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
NE | GAP | BAP | ||||||||
CHB | TBNBRIPa | PSBb | CHB | TBNBRIPa | PSBb | CHB | TBNBRIPa | PSBb | ||
Bengolea | February | 6.02 ± 0.12 | 5.95 ± 0.23 (75.56) a | 3.62 ± 0.23 (0.59) | 6.01 ± 0.08 | 5.72 ± 0.03 (53.63) b | 3.64 ± 0.07 (0.83) | 5.80 ± 0.13 | 5.70 ± 0.15(83.48) b | 3.71 ± 0.18 (1.03) |
September | 6.14 ± 0.07 | 5.92 ± 0.01 (61.23) | 3.69 ± 0.10 (0.60) | 5.98 ± 0.01 | 5.89 ± 0.04 (52.42) | 3.67 ± 0.18 (0.62) | 6.13 ± 0.00 | 5.68 ± 0.05 (50.99) | 3.72 ± 0.11 (1.18) | |
Monte Buey | February | 6.21 ± 0.29 | 5.75 ± 0.06 (58.50) b | 3.69 ± 0.17 (0.70) d,e | 6.00 ± 0.13 | 5.65 ± 0.07 (43.51) b | 3.89 ± 0.14 (1.76) d | 6.03 ± 0.14 | 5.70 ± 0.06 (54.99) b | 3.58 ± 0.03 (1.47) e |
September | 6.09 ± 0.03 | 5.88 ± 0.04 (62.89) | 3.77 ± 0.13 (0.81) | 6.05 ± 0.02 | 5.88 ± 0.05 (67.82) | 3.90 ± 0.10 (1.03) | 5.99 ± 0.01 | 5.70 ± 0.11 (52.91) | 3.94 ± 0.04 (1.52) | |
Pergamino | February | 5.96 ± 0.11 | 6.02 ± 0.05 (80.50) a | 3.82 ± 0.10 (0.06) | 6.07 ± 0.13 | 5.94 ± 0.04 (69.31) a | 3.74 ± 0.15 (0.65) | 6.16 ± 0.02 | 5.89 ± 0.14 (51.14) a | 3.68 ± 0.30 (0.77) |
September | 6.12 ± 0.07 | 6.01 ± 0.01 (80.57) | 3.79 ± 0.12 (0.60) d,e | 6.15 ± 0.00 | 5.89 ± 0.04 (56.13) | 3.91 ± 0.08 (1.04) d | 6.04 ± 0.13 | 5.83 ± 0.04 (65.14) | 3.62 ± 0.14 (0.63) e | |
Viale | February | 6.07 ± 0.10 | 5.57 ± 0.08 (36.50) c | 3.82 ± 0.18 (0.13) | 5.88 ± 0.10 | 5.42 ± 0.11 (35.42) c | 3.47 ± 0.19 (1.30) | 6.00 ± 0.14 | 5.55 ± 0.02 (42.00) c | 3.62 ± 0.04 (0.1) |
September | 6.12 ± 0.02 | 6.01 ± 0.01 (77.77) | 3.73 ± 0.11 (0.52) | 6.08 ± 0.06 | 6.03 ± 0.22 (94.64) | 3.86 ± 0.09 (0.75) | 6.16 ± 0.07 | 5.87 ± 0.07 (53.17) | 3.83 ± 0.10 (0.95) | |