This study was carried out in order to evaluate the effect of fertigations with nitrogen and potassium applied by microsprinkler system on the plantation of Prata-Anã banana (Musa sp AAB), during two growing seasons, under field conditions. The experiment was carried out in the irrigation area of the Department of Agricultural Engineering, FCAV/UNESP - Jaboticabal, São Paulo State, Brazil. It was used a completely randomized block design in split plot with five replications. The treatments studied were composed of four fertilizer application modalities (side dressing fertilization, monthly fertigation, bimonthly fertigation and three monthly fertigation) combined with two rates of nitrogen and potassium, corresponding to 100% (rate 1) and 50% (rate 2) of the recommended rates based on the soil analysis. Monthly fertigation promoted bunch weight and yield higher than side dressing fertilization and lower acidity of the fruits than three monthly fertigation; reducing 50% the doses of N and K did not affect yield and quality of the banana fruit.
banana; Musa sp; irrigation
