Vermicompost Tea in the Production, Gas Exchange and Quality of Strawberry Fruits

Gabriel Lobo de Mendonça, Jader Galba Busato, Ernandes Rodrigues de Alencar and Alessandra Monteiro de Paula ()
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Gabriel Lobo de Mendonça: Ministry of Agriculture and Livestock (MAPA)—Brazilian Federal Government, Subsecretariat of Technology and Information, Brasilia 70043-900, DF, Brazil
Jader Galba Busato: Faculty of Agronomy and Veterinary Medicine, University of Brasilia, Brasilia 70910-970, DF, Brazil
Ernandes Rodrigues de Alencar: Agricultural Engineering Department, Viçosa Federal University, Viçosa 36570-000, MG, Brazil
Alessandra Monteiro de Paula: Ministry of Agriculture and Livestock (MAPA)—Brazilian Federal Government, Subsecretariat of Technology and Information, Brasilia 70043-900, DF, Brazil

Agriculture, 2025, vol. 15, issue 15, 1-12

Abstract: The water-soluble extract from vermicompost, also known as vermicompost tea (VT), has attracted interest in sustainable production research due to its potential to increase crop yields. However, information regarding the influence of this bioinput on strawberry cultivation remains limited. This study aimed to evaluate the effects of different VT solution concentrations on the mass fruit, physiology, and fruit quality of the hybrid strawberry cultivar ‘Portola’. The experiment was conducted in a greenhouse, with foliar and substrate applications of VT solutions at varying concentrations (0%, 2%, 4%, 6% and 8%) over 150 days. Evaluations included the chemical composition of the VT, as well as the physiological and agronomic parameters of the strawberry plants, such as gas exchange, biometric data, the physicochemical quality of the fruit and the nutritional composition. Significant differences in gas exchange parameters, particularly intercellular CO 2 concentration and stomatal conductance, were observed at the final growth stage. Of the quality and compositional parameters of the strawberries, only the soluble solids/titratable acidity (SS/TA) ratio was affected. The various VT dilutions induced physiological alterations in the strawberry plants, with energy being allocated towards mass fruit at the expense of fruit quality, specifically in terms of the SS/TA ratio.

Keywords: gas exchange; bioinputs; plant stimulation; vegetable nutrition (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: 2025
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