Figure 1.

Figure 2.

Figure 3.

Figure 4.
![Values of colours of strawberry fruits [(A): L, (B): C and (C): h].](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/6471d13c215d2f6c89db1c80/j_fhort-2023-0017_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Credential=ASIA6AP2G7AKLGGOMECR%2F20260308%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Date=20260308T014430Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEEEaDGV1LWNlbnRyYWwtMSJHMEUCIBvVy8QAx9SUMN0Z20DtrWHfMmLFMhnpQ5qIZViffR3PAiEA8zeL%2BLEB0c00NqTLdUgks05F%2BuQKOrUF4GLD%2Bu0QeioqvQUIChACGgw5NjMxMzQyODk5NDAiDLRGkUUBHLWn8wUBViqaBcXNy%2FAFcMFSuneO6uehpsV%2Bb8%2F8dM45TfQ9T%2BZn%2FeAXMTxi4x4BHXyFnG6mrBK%2BGkZ3TqCgHPxFxT2heMi6yzQX%2B%2BpC5ie5zaO3SkSQKK3OzbraqfqoTUCWYdQMrVk3Y2HyqZwjKFtSj%2FK6TIfuswFcq3Bxg0N8fcPar%2B8laWNT%2Bxy0FPnwOOhcrxr%2FhWAkjYnTVfz8mHfo3ts8biDDW%2FgFy9y3%2Fo%2Fpm2QP4GJh%2Fwm3yN0TEpbUkupxApCa2tv%2FBEqRL%2FaNEP18eZ4EkoBQLnZ0E4s1yu9aSK7NyYyEEj%2BKPR4frQJaRblWSapL4eWHsG%2Bsrv9lC%2FepINMhwjkqYvB4pxfgV%2FKh6Ynm5M8yKBUyanvyL0vu8LnOcPvIsFUjQ5K8etirn%2F37HaAnfuztFK05L5wRIvesMdXkZ%2B7Lb6g56HZ6B%2FpGNPsqqxlNRhPV%2FQ6FelqrJOeF6qbJPtmEmmIMuP4T6YxjjrQVJ9o7r4G9KV0qczG93eoa2XKbv%2B8iUU9%2FYdEyy3Knet9zq8UdVuCgUQTZxoIowM4Xbrg9Dc5%2FMrwHB3TegVFIcusZA4ac8uKEBE%2FF0bOipsxx43XklLwhkd04UO9vmPfaseOV2L3FqU7csX%2BJmFrNnyE8QeshZnp588a8mLD6djr44DrU2LB0r9rlN3VPVFFNKjo8MCosAlBZ0E6ydoT3bDGnoSb3CgHLf%2Fan7Edx2IKmcvXTTvCGg3mI3zbx0H4d5B5AvDu2xYsTNWlIOPvyp9rRtE83xS4MHXjUW6MKHb4t3OcOR4wPDvFBZLbIJcVnV16u4D0Nv7sqLx3HIJi9qkksZs5c%2F3bFvy7G3B9K%2BWDA2UvqWZatYS67e6Cu0fvUp9Y%2BuauCVQuvtgcQetLd9TC1jrPNBjqxARlT5gOcbJMxv3HrcCR30VAwSHohN1nWasVpcG2C3HZytYc77Eg934nrmbJ1yy7cJICo8IBJi%2F%2BvjDEVt1h84kfA%2FSZCjY88mYgyg6%2Fyj1k1akzZ0PpFvE2EcjVDlbAgcfcHzu45ZfKtn6TOj22BU7YXz4kgZL5ecE8zYO9oW%2F7awCWD87dSJkuYJ2gyCiUtWoQNnQYGeSPzWuYg2Ar7ovhfYOoVWU4rnrtRF04LxEWhww%3D%3D&X-Amz-Signature=270f3a658a20fa36298ca3e01e7c85c87a823f11239a0e6521f0695ff4233d01&X-Amz-SignedHeaders=host&x-amz-checksum-mode=ENABLED&x-id=GetObject)
Figure 5.

Figure 6.

Figure 7.

Figure 8.

Soil properties of the study area_
| Parameter | Value | Comment |
|---|---|---|
| pH | 7.86 | Alkali |
| Lime | 16.36% | High chalky |
| Organic matter | 1.82% | Poor |
| Structure | 64.90% | Clay loam |
| Salinity | 0.051% | Without salt |
| P2O5 (phosphorus) | 10.72 ppm | Medium |
| K2O (potassium) | 179.79 ppm | High |
| Ca (calcium) | 43.50 ppm | Rich |
| Mg (magnesium) | 406.50 ppm | Rich |
| Fe (iron) | 1.72 ppm | Little |
| Zn (zinc) | 1.16 ppm | Very high |
| Mn (manganese) | 0.78 ppm | Insufficient |
| Cu (copper) | 2.54 ppm | Sufficient |
Mean comparison of the effect of different planting dates on the SSC/TA ratio (ripening index) of different cultivars of strawberry_
| Planting time | Strawberry cultivars | SSC/TA |
|---|---|---|
| 05.04.19 | Albion | 15.8 a |
| Portola | 12.61 d | |
| San Andreas | 14.8 b | |
| 20.04.19 | Albion | 13.06 c |
| Portola | 12.6 d | |
| San Andreas | 14.58 b |