Table 3 Exchangeable ion contents in soil without and with added organic matter
Samples | Ca (mg/kg) | K (mg/kg) | Mg (mg/kg) | Na (mg/kg) | P (mg/kg) | S (mg/kg) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
without OM | with OM | without OM | with OM | without OM | with OM | without OM | with OM | without OM | with OM | without OM | with OM | |
SiCL | 1181.2 ± 0.4 | 1704.5 ± 2.7 | 177.6 ± 0.3 | 289.1 ± 7.1 | 378.6 ± 0.6 | 598.6 ± 1.2 | 38.8 ± 0.3 | 168.7 ± 0.3 | 14.6 ± 0.0 | 26.3 ± 0.7 | 64.8 ± 0.4 | 71.2 ± 0.1 |
L-1 | 1159.5 ± 1.6 | 1316.9 ± 11.2 | 199.8 ± 2.4 | 200.0 ± 19.5 | 106.9 ± 2.1 | 126.3 ± 1.1 | 71.0 ± 0.4 | 74.1 ± 0.5 | 1.3 ± 0.4 | 3.4 ± 0.1 | 54.5 ± 0.7 | 159.3 ± 1.1 |
L-2 | 1265.8 ± 2.3 | 1442.0 ± 17.6 | 199.4 ± 1.9 | 239.2 ± 48.4 | 317.4 ± 1.0 | 336.3 ± 3.5 | 75.4 ± 1.2 | 824 ± 0.6 | 1.6 ± 0.0 | 4.9 ± 0.2 | 61.0 ± 3.4 | 133.6 ± 2.5 |
L-3 | 1291.7 ± 0.2 | 1315.4 ± 3.7 | 264.8 ± 0.5 | 292.6 ± 4.0 | 217.0 ± 0.1 | 231.1 ± 0.6 | 58.3 ± 0.1 | 58.5 ± 0.1 | 3.6 ± 0.2 | 5.3 ± 0.1 | 18.0 ± 0.2 | 92.2 ± 0.0 |
L-4 | 812.6 ± 1.3 | 929.4 ± 8.7 | 335.2 ± 5.9 | 406.3 ± 111.6 | 170.1 ± 1.9 | 173.0 ± 1.7 | 78.5 ± 1.4 | 82.8 ± 0.5 | 4.1 ± 0.7 | 4.7 ± 0.1 | 20.1 ± 1.6 | 150.0 ± 0.4 |
L-5 | 1435.0 ± 15.7 | 1629.6 ± 120.4 | 226.8 ± 9.9 | 504.6 ± 85.4 | 354.4 ± 6.1 | 373.8 ± 14.7 | 72.1 ± 2.3 | 85.7 ± 4.5 | 13.2 ± 1.2 | 13.4 ± 3.0 | 75.1 ± 4.1 | 167.0 ± 6.1 |
SL-1 | 2724.2 ± 11.1 | 3506.6 ± 50.0 | 144.2 ± 7.3 | 146.7 ± 4.3 | 261.8 ± 2.5 | 427.6 ± 1.5 | 19.0 ± 0.3 | 185.8 ± 0.3 | 53.8 ± 0.6 | 75.4 ± 0.8 | 49.8 ± 2.3 | 98.8 ± 1.5 |
SL-2 | 1891.3 ± 2.9 | 2748.7 ± 19.2 | 82.4 ± 1.1 | 136.3 ± 2.8 | 261.6 ± 1.0 | 436.3 ± 1.0 | 26.2 ± 0.5 | 165.0 ± 0.2 | 24.4 ± 0.2 | 32.1 ± 0.2 | 18.4 ± 1.1 | 108.8 ± 0.7 |
SL-3 | 840.1 ± 3.1 | 1161.4 ± 11.6 | 272.4 ± 40.9 | 399.2 ± 3.8 | 173.8 ± 2.8 | 275.7 ± 1.6 | 15.0 ± 0.9 | 149.4 ± 0.3 | 28.5 ± 2.8 | 52.5 ± 1.3 | 36.0 ± 1.3 | 68.3 ± 0.4 |
SL-4 | 1276.7 ± 1.3 | 1477.8 ± 57.6 | 202.2 ± 1.4 | 293.0 ± 7.4 | 103.1 ± 0.7 | 155.3 ± 1.2 | 17.6 ± 0.8 | 133.2 ± 0.3 | 23.3 ± 0.2 | 28.1 ± 0.2 | 32.8 ± 0.7 | 34.3 ± 0.5 |