Nitrogen Effect on Fruit Quality and Yield of Muskmelon and Sweet Pepper Cultivars
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Grasso, Rafael; Peña Fleitas, María Teresa; De Souza Ibarra, Stefani Romina; Rodríguez, Alejandra; Thompson, Rodney; [et al.]Fecha
2022-09-19Resumen
Yield and fruit quality are two of the most important parameters for the profitability of vegetable crops. In commercial vegetable production, nitrogen (N) is commonly applied in excess, which is associated with nitrate (NO3−) leaching loss. In addition, excess N application may affect yield and fruit quality. The aim of this study was to evaluate the effect of N applications of very deficient N (N1, 2 mmol L−1), deficient N (N2, 8 mmol L−1), and conventional N (N3, 14 mmol L−1), according to local fertigation practices, in soil-grown muskmelon and sweet pepper crops in Almeria, South-Eastern Spain. The evaluation was conducted in three cultivars of each species. The yield and the fruit quality parameters of firmness, colour, total soluble solids (TSS) and morphometric variables were evaluated in two years for each species. For most parameters in both species, the effects of N, when significant, occurred regardless of cultivar. In muskmelon and sweet pepper, application of 8.2 mmol N L...
Palabra/s clave
Capsicum annuum
colourimeter
Cucumis melo
fertilisation
firmness
nitrogen
total soluble solids