Sod production and nutrient extraction by Emerald zoysiagrass with split Nitrogen applications
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Nitrogen is the nutrient that provides the best grass growth responses, and proper nitrogen fertilization can enable the formation of sod in less time and firm enough to be handled after harvest. The aim of this study was to evaluate production and nutrient extraction of Emerald zoysiagrass (Zoysia japonica Steud.) according to the splitting of nitrogen doses. Treatments consisted of five doses (0, 150, 300, 450 and 600 kg ha-1) divided in three or six applications., The N dose of 400 kg ha-1, divided in four applications, provided the formation of Emerald zoysiagrass sods six months after the previous sod harvest. Nutrient extraction by Emerald zoysiagrass occurs in the descending order, at kg ha-1: N (207) > K (57) > (Ca) > S (27) > P (14) = Mg (14).