Table 5. Pearson’s correlation coefficient for the parameters of yield size and quality.
| Fertilizer treatments | Average yield per hectare [t / ha-1] | Mass of 100 berries [g] | Average fruit setting, [%] | Leaf area [cm2] | Acidity [% citric acid] | Soluble solids [Brix °] | Firmness [N] |
|---|---|---|---|---|---|---|---|
| Average yield per hectare t / ha | 1 | 0.1787 | -0.0672 | -0.0954 | -0.4103 | -0.4530 | 0.3585 |
| 0.2699 | 0.6805 | 0.5580 | 0.0085 | 0.0033 | 0.0231 | ||
| Mass of 100 berries g | 0.1787 | 1 | 0.0778 | 0.0047 | -0.2420 | -0.0089 | 0.1272 |
| 0.2699 | 0.6333 | 0.9770 | 0.1325 | 0.9568 | 0.4343 | ||
| Average fruit setting,% | -0.0672 | 0.0778 | 1 | 0.1859 | -0.2245 | 0.2583 | -0.0860 |
| 0.6805 | 0.6333 | 0.2509 | 0.1638 | 0.1076 | 0.5979 | ||
| Leaf area cm2 | -0.0954 | 0.0047 | 0.1859 | 1 | 0.0517 | 0.0892 | -0.1378 |
| 0.5580 | 0.9770 | 0.2509 | 0.7515 | 0.5843 | 0.3965 | ||
| Acidity% citric acid | -0.4103 | -0.2420 | -0.2245 | 0.0517 | 1 | - 0.1523 | -0.1221 |
| 0.0085 | 0.1325 | 0.1638 | 0.7515 | 0.3482 | 0.4528 | ||
| Soluble solids Brix | -0.4530 | -0.0089 | 0.2583 | 0.0892 | -0.1523 | 1 | -0, 7298 |
| 0.0033 | 0.9568 | 0.1076 | 0.5843 | 0.3482 | <0.0001 | ||
| Firmness N | 0.3585 | 0.1272 | -0.0860 | -0.1378 | -0.1221 | -0.7298 | 1 |
| 0.0231 | 0, 4343 | 0.5979 | 0.3965 | 0.4528 | <0.0001 |