TABLE 4.
Catabolic evenness and average SIR with each substrate group (carboxylic acids, amino acids, amides and carbohydrates) in the soil treatmentsa
| Soil origin | Catabolic evenness | Avg SIR (μg CO2 g−1 soil h−1)
|
||||
|---|---|---|---|---|---|---|
| Amino acids | Amides | Amines | Carbohydrates | Carboxylic acids | ||
| Crop soil | 16.5b | 8.7b | 9.3b | 9.8b | 18.5b | 14.3a |
| Plantation with uninoculated trees | 9.8a | 6.3a | 4.3a | 7.9a | 10.9a | 16.6b |
| Plantation with P. albus IR100-inoculated trees | 9.5a | 7.9b | 3.6a | 8.3ab | 12.9a | 14.8ab |
a
Data followed by the same letter in each column are not significantly different according to results of the Newman-Keuls test (P < 0.05).