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. 2022 Jul 20;17(7):e0271383. doi: 10.1371/journal.pone.0271383

Table 3. Influence of fertilization technology on the yield and quality of ´Bluecropˋ highbush blueberry.

Average yield per bush [kg / bush-1] 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]
T1 -Control 5.1 ± 1.5 AB 16.9 ± 5.1 AB 200.1 ± 13.9 B 83.7 ± 11 AB 21.5 ± 5.2 A 0.63 ± 0.05 B 11.8 ± 1.2 A 3.5 ± 0.3 B
T4—Technology with biostimulation 5.9 ± 2.5 A 19.5 ± 8.2 A 224.7 ± 13.9 A 93.8 ± 7 A 22.7 ± 0.8 A 0.59 ± 0.12 B 12.1 ± 1.1 A 3.8 ± 0.3 A
T2- Preparation with hormone precursors 4.8 ± 1.2 AB 15.85 ± 3.8 AB 209.5 ± 9.9 AB 88.7 ± 4 AB 21.7 ± 1, 4 A 0.65 ± 0.07 AB 12.1 ± 1.3 A 3.7 ± 0.3 AB
T3—Implementation preparation 4.2 ± 0.6 B 14.1 ± 2.1 B 210.23 ± 16.3 AB 83.3 ± 11 B 21.9 ± 1.5 A 0.73 ± 0.11 A 11.6 ± 1.5 A 3.7 ± 0.3 AB
p-value 0.0574 0, 0574 0.0047 0.0308 0.8227 0.0005 0.0773 0.0485
2019 4.2 ± 1.5 B 13.6 ± 4.1 B 210.1 ± 13.4 A 89 ± 8 A 22, 2 ± 2.9 A 0.66 ± 0.01 A 13.1 ± 0.3 A 3.4 ± 0.1 B
2020 5.9 ± 1.5 A 19.5 ± 5.1 A 212.2 ± 18.4 A 86 ± 10 A 21.7 ± 2.7 A 0.64 ± 0.12 A 10.7 ± 0.5 B 3.9 ± 0.2 A
p-value 0.0002 0.0002 0.6521 0.3207 0.6316 0.4562 <0.0001 <0.0001
Treatment * YEAR 0.5266 0.5266 0.5076 0.9043 0.9926 0.0001 0.1593 0.9559
p-value