Fertirrigação em pessegueiro nas cultivares "Aurora" e "Fascínio"

Abstract

Fertigation is a technology that consists of the application of fertilizers via irrigation water, making nutrients available in a more assimilable way for the plant. This method is recognized for minimizing nutrient losses through leaching or volatilization. In the production of fruit species in temperate climates, there is a growing investment in this technology, given the benefits provided for the development of the plant and the fruit. In this sense, the research sought to evaluate the feasibility of applying fertilizers via irrigation water in the vegetative development of peach cultivars "Aurora" and "Fascínio" in an orchard implanted for two years. In this study, the use of urea as a source of nitrogen and potassium chloride as a source of potassium was addressed. The amount of nutrients was calculated through chemical soil analysis. The method of Penman-Monteith FAO – 56 was used to calculate evapotranspiration. The calculation of the water requirement required by the crop was obtained through the crop coefficient (Kc). Through the results obtained, it was verified that fertigation did not show an effective response for the cultivars, in relation to the other analyzed treatments.