Water requirements of sweet pepper (Capsicum annum L.) using drip irrigation at the middle valley of Sinú

Requerimientos hidricos del ají dulce (Capsicum annum L.) bajo riego por goteo en el valle del sinú medio

This investigation was carried out at Turipaná Agricultural Research Center of Corpoica located in Cereté - Córdoba, with the objective of determining the hydric requirements of the cultivation of Sweet Pepper under four drip irrigation frequencies in the middle of Sinú valley, during dry season. The soil was classified as Eutopett. A complete blocks design was used, with four treatments of 1.32, 2.64, 4.00, 5.32 L plant ^-1 day^-1. The coefficient of cultivation Kc for treatment 4 was of 0.65 during the vegetative stage, 0.97 at flowering, 1.06 during fruiting and 1.13 at the harvest. The evapotranspiratión was of 714 mm during the cultivation cycle which had a duration of 160 days after the transplanting. The statistical analysis showed no significant differences among the treatments for the variables plant height, depth of roots and biomass. As for the variable of commercial yield, the treatment 4 registered the highest production, 12,884 Kg Ha ^-1, with the watering frequency of 5.32 Liter plant ^-1 day^-1. It was concluded that a watering of 5.32 L planta ^-1 día^-1 is the best to apply in the area during dry season, also becoming with economic profits

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