Table 2 Soil properties.
Site | Patch | Percentage of skeletal parts, % | Texture of fine soils | Corg g kg−1 | N g kg−1 | pH 1 M KCl | CEC cmol + kg−1 | |||
|---|---|---|---|---|---|---|---|---|---|---|
Percentage of fraction, mm | Textural group | |||||||||
0.5–2.0 | 0.002–0.5 | < 0.002 | ||||||||
Field studies | ||||||||||
S1 | P1 | 40 | 80 | 13 | 7 | LS | 133 | 7.4 | 5.1 | 15.2 |
P2 | 50 | 75 | 22 | 3 | LS | 27 | 1.9 | 4.8 | 6.9 | |
P3 | 40 | 74 | 24 | 2 | LS | 61 | 3.5 | 5.0 | 5.9 | |
S2 | P1 | 5 | 57 | 36 | 7 | SL | 35 | 2.9 | 5.7 | 10.5 |
P2 | 10 | 55 | 40 | 5 | SL | 68 | 4.8 | 6.2 | 8.9 | |
P3 | 3 | 61 | 31 | 8 | SL | 47 | 3.2 | 6.1 | 11.9 | |
S3 | P1 | 20 | 76 | 21 | 3 | LS | 12 | 0.9 | 6.9 | 5.5 |
P2 | 15 | 40 | 52 | 8 | SiL | 29 | 2.0 | 4.9 | 13.6 | |
P3 | 10 | 42 | 51 | 7 | SiL | 14 | 1.0 | 4.8 | 12.2 | |
S4 | P1 | < 1 | 56 | 31 | 13 | SL | 24 | 1.9 | 4.9 | 16.7 |
P2 | < 1 | 54 | 30 | 16 | SL | 29 | 2.8 | 4.6 | 16.9 | |
P3 | < 1 | 68 | 24 | 8 | SL | 21 | 1.6 | 5.2 | 12.4 | |
Pot experiments | ||||||||||
S1-Pot | 25 | 83 | 14 | 3 | LS | 33 | 6.1 | 5.5 | 14.4 | |
S2-Pot | 11 | 53 | 41 | 6 | SL | 24 | 3.1 | 6.3 | 10.8 | |
S3-Pot | 3 | 53 | 45 | 2 | SL | 16 | 1.0 | 4.4 | 12.6 | |
S4-Pot | < 1 | 59 | 33 | 8 | SL | 20 | 2.2 | 4.5 | 16.8 | |
Spiked soil | < 1 | 72 | 18 | 10 | SL | 13 | 0.7 | 6.2 | 13.7 | |
