Research Article
Determination of Land Suitability Criteria for Maize Hybrid in Boalemo Regency Based on Optimum Yield and Selected Land Quality
Table 6
Composite reliability and Cronbach’s alpha test.
| Indicators (land characteristics) | Cronbach’s alpha | Composite reliability |
| X1.1 (temperature) | 1.000 | 1.000 | X2.1 (rainfall) | 0.975 | 0.965 | X2.2 (wet month) | X2.3 (dry month) | X2.4 (long growth periods) | X3.1 (drainage) | 1.000 | 1.000 | X4.1 (texture) | 0.002nor | −1.055nor | X4.2 (coarse material) | X4.3 (effective depth) | X5.1 (pH, H2O) | 0.718 | 0.628 | X5.2 (pH, KCl) | X5.3 (organic C) | X5.4 (cation exchange capacity) | X5.5 (base saturation) | X6.1 (total N) | 0.805 | 0.681 | X6.2 ( availability) | X6.3 (K exchangeable) | X7.1 (exchangeable sodium percentage) | 1.000 | 1.000 | X8.1 (slopes) | 0.965 | 0.928 | X8.2 (soil erosion) | X9.1 (inundation height) | 0.992 | 0.984 | X9.2 (inundation period) | X10.1 (rock outcrops) | 0.998 | 0.995 | X10.2 (surface rock) |
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nor, not reliable.
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