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Table VII
Correlation coefficients between fruit quality and nutrients in the soil (including conventional and organic systems with or without straw).
| EC | pH | NO3 | P | K | Ca | Mg | SO4 | |
|---|---|---|---|---|---|---|---|---|
| Lycopene | –0.37 | 0.06 | –0.06 | –0.18 | 0.10 | –0.39 | –0.50* | –0.48 |
| β−carotene | –0.77** | 0.23 | –0.61* | 0.07 | –0.28 | –0.79** | –0.76** | –0.77** |
| Ascorbic acid | –0.14 | –0.14 | 0.03 | –0.38 | –0.01 | –0.13 | –0.13 | –0.16 |
| Quercetin | 0.90** | –0.93** | –0.09 | 0.61* | 0.60* | –0.28 | 0.00 | 0.64* |
| Naringenin | –0.02 | –0.32 | 0.07 | 0.15 | 0.05 | –0.03 | 0.00 | –0.09 |
| Fructose | 0.33 | –0.36 | 0.19 | –0.11 | –0.31 | 0.46 | 0.51* | 0.52* |
| Sucrose | 0.24 | –0.41 | 0.15 | 0.20 | 0.023 | 0.25 | 0.36 | 0.35 |
| Glucose | –0.41 | 0.36 | –0.39 | –0.07 | –0.18 | –0.47* | –0.41 | –0.41 |
| Myo-inositol | 0.40 | –0.22 | 0.18 | 0.03 | –0.01 | 0.48 | 0.54 | 0.60* |
| Oxalate | 0.17 | –0.41 | –0.03 | 0.36 | –0.21 | 0.25 | 0.38 | 0.40 |