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Abstract
Carrot (Daucus carota) is one of the most important vegetables in the world. Cow urine is a fertilizer available in rural areas and can be used in agriculture. However, there are no indications of the best dose to be used in carrots. The authors aimed with this work to evaluate different concentrations of cow urine in the cultivation of ‘Brasília’ carrots. The treatments consisted of five doses of cow urine (0%, 0.5%, 1.0%, 1.5% and 2.0%) applied during the culture cycle. After 90 days, the agronomic characteristics (weight, length, diameter, productivity, luminosity, chromaticity, and Hue angle) were evaluated. The application of cow urine increased the weight, diameter, and length of ‘Brasilia’ carrots.
Highlights
Carrot (Daucus carota.) is a vegetable of great economic importance
In agro-sustainable production systems, residues serve as a source of nutrients (Diacono et al, 2019)
The variables, soluble solids, titratable acidity, ratio, and pH were not influenced by the application of different concentrations of cow urine (p > 0.01)
Summary
Carrot (Daucus carota.) is a vegetable of great economic importance. In addition, it is among the ten most produced in Brazil (Miranda et al, 2017). The application of fertilizers in management activities has become an important agricultural practice to improve soil fertility (Afrin et al, 2019), but in conventional carrot production systems, many inorganic fertilizers are used misused (Colombari et al, 2018). This increases the amount of agrochemicals applied to the soil (Chen et al, 2018). In agro-sustainable production systems, residues serve as a source of nutrients (Diacono et al, 2019)
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