Table 6. The effect of various amounts of intercropped green garlic on available soil N, P and K, organic carbon and rhizosphere pH in the experiment carried out during the spring of 2012.
Treatment | Amount of intercropped bulbs (g) | Available soil N (mg kg−1) | Available soil P (mg kg−1) | Available soil K (mg kg−1) | Soil organic carbon (g kg−1) | Rhizosphere pH (1∶1 soil: water) |
CK | 0 | 115.7±1.7 | 186.2±9.4 | 287.2±5.9 | 14.77±0.08 | 7.66±0.02 |
T1 | 150 | 116.2±1.1 | 190.6±1.1 | 388.9±0.3*** | 16.91±0.07*** | 7.32±0.02*** |
T2 | 300 | 122.5±0.4* | 216.8±5.8* | 348.5±1.4*** | 16.96±0.25*** | 7.53±0.02** |
T3 | 450 | 128.1±2.5** | 190.6±5.3 | 329.6±1.1*** | 16.99±0.09*** | 7.37±0.02*** |
T4 | 600 | 126.2±2.0** | 226.8±11.9** | 375.6±0.9*** | 17.34±0.09*** | 7.27±0.04*** |
T5 | 750 | 126.9±3.6** | 214.7±11.9* | 407.8±1.5*** | 17.51±0.09*** | 7.43±0.01*** |
Values are the means ± standard error of three replicates.
Significant at the 0.05 probability level.
Significant at the 0.01 probability level.
Significant at the 0.001 probability level.