Health—Promoting Properties of Highbush Blueberries Depending on Type of Fertilization

Agnieszka Lenart (), Dariusz Wrona and Tomasz Krupa
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Agnieszka Lenart: Department of Pomology and Horticultural Economics, Warsaw University of Life Sciences—SGGW, 02-787 Warsaw, Poland
Dariusz Wrona: Department of Pomology and Horticultural Economics, Warsaw University of Life Sciences—SGGW, 02-787 Warsaw, Poland
Tomasz Krupa: Department of Pomology and Horticultural Economics, Warsaw University of Life Sciences—SGGW, 02-787 Warsaw, Poland

Agriculture, 2022, vol. 12, issue 10, 1-11

Abstract: The purpose of the experiment was to demonstrate a comparison of fertilization with and without biostimulation. A study was carried out in an experimental blueberry field in central Poland (51°55′42.7″ N 20°59′28.7″ E) during the three growing seasons of 2019, 2020 and 2021, on ‘Bluecrop’ shrubs growing at a distance of 1 × 3 m. The plants were re-planted in the spring of each year and irrigated using drip irrigation. The experiment was conducted using a random block design (four fertilizer treatments × five replications × six bushes). The fruits were tested for antioxidant activity and amount of total polyphenols. Additionally, anthocyanin quantitative and qualitative analysis was performed. The results indicated a significant effect of fertilizer combinations on the values of the evaluated parameters. The positive effect of biostimulants on the content of antioxidant compounds in highbush blueberry fruit was significant. In most of the combinations in which additional biostimulants were used, higher values of the analyzed indicators (antioxidant activity and polyphenol content) were observed. The most noteworthy was the T4 fertilization program, where during treatment, soil and foliar fertilization were carried out with preparations that contained biostimulants.

Keywords: biostimulation; seaweed extract; blueberries; polyphenols; antioxidants; anthocyanins; fertilization (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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