| Cultivated All soil plots collectively* | Cultivated FS, SLS, SBS, TXS soils* | Uncultivated FS, SLS, SBS, TXS soils* | Cultivated All soil plots collectively | Cultivated FS, SLS, SBS, TXS soils | Uncultivated FS, SLS, SBS, TXS soils | |||
| Period 1 | Period 1 | |||||||
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| Top Soil | Sub Soil | Top Soil | Sub Soil | Top Soil | Sub Soil |
Mean | 2.4 | 2.3 | 3.9 | 2.5 | 2.2 | 2.5 | 2.1 | 5.4 | 2.3 |
SD(+/−) | 1.15 | 0.85 | 1.9 | 1.23 | 1.0 | 0.93 | 0.73 | 1.19 | 0.91 |
| Period 2 | Period 2 | |||||||
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| Top Soil | Sub Soil | Top Soil | Sub Soil | Top Soil | Sub Soil |
Mean | 2.3 | 2.3 | 3.8 | 2.5 | 2.2 | 2.5 | 2.1 | 5.2 | 2.5 |
SD(+/−) | 1.0 | 0.82 | 1.7 | 1.03 | 1.0 | 0.77 | 0.73 | 1.44 | 0.59 |