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Open AccessArticle

The Quality of Carrot after Field Biostimulant Application and after Storage

1
Institute of Microbiology and Food Technology, Faculty of Agriculture and Biotechnology, UTP University of Science and Technology, Kaliskiego 7 str., 85-796 Bydgoszcz, Poland
2
Department of Agronomy, Faculty of Agriculture and Biotechnology, UTP University of Science and Technology, Kaliskiego 7 str., 85-796 Bydgoszcz, Poland
3
Institute of Microbiology and Food Technology, Faculty of Agriculture and Biotechnology, UTP University of Science and Technology, Kaliskiego 7 str., 85-796 Bydgoszcz, Poland
4
Laboratory of Economics and Counseling in Agribusiness, Department of Agronomy, Faculty of Agriculture and Biotechnology, UTP University of Science and Technology in Bydgoszcz, Fordońska 430 str., 85-790 Bydgoszcz, Poland
*
Author to whom correspondence should be addressed.
Sustainability 2020, 12(4), 1386; https://doi.org/10.3390/su12041386
Received: 28 December 2019 / Revised: 10 February 2020 / Accepted: 12 February 2020 / Published: 13 February 2020
(This article belongs to the Special Issue Sustainable Development of Rural Areas and Agriculture)
The carrot (Daucus carota L.) is a staple vegetable in human nutrition in Europe. In recent years, the use of biostimulants in vegetable crops has become a way to affect the quantity and quality of yields. The aim of this study was to assess the effect of the type and methods of biostimulant (natural seaweed extract Kelpak and synthetic Asahi) application on the nitrates and nitrites content in carrot roots after harvest and storage. The study was based on a strict field experiment with carrot cv. ′Karotan′, conducted in Poland (53°13′N; 17°51′E) in three successive growing seasons and after six months of storage (RH 95%, and air temperature +1 °C). The biostimulants were applied during the growing season in a foliar form. The content of NO3ˉ and NO2ˉ in carrot after harvest depended on the dose and the date of biostimulant application. The single application of biostimulant Kelpak as well as two times of Asahi had no effect on the nitrate and nitrite content, while the application of Kelpak in a total dose of 6 or 7 dm3 ha−1 increased them. The maximum intake of nitrates and nitrites following the harvest and storage was, respectively, 7.1, 2.3% and 6.7, 2.1% of the ADI. View Full-Text
Keywords: anti-nutritive compound; biostimulant; long-term storage; nitrate; nitrite; seaweed extract anti-nutritive compound; biostimulant; long-term storage; nitrate; nitrite; seaweed extract
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Pobereżny, J.; Szczepanek, M.; Wszelaczyńska, E.; Prus, P. The Quality of Carrot after Field Biostimulant Application and after Storage. Sustainability 2020, 12, 1386.

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