Performance of an iris mechanism equipped with fixed and rotating deflector plates for variable rate sprinkler irrigation - Sobenko, Luiz Ricardo; Camargo, Antonio Pires de; Botrel, Tarlei Arriel; Frizzone, Jose Antonio; Oliveira, Marcelo F. de; Lavanholi, Rogério; Santos, Jeferson D. M. dos; Duarte, Sergio Nascimento (Journal of Irrigation and Drainage Engineering, 2019)