[1]
F. J. Hawerroth, J. L. Petri, and G. B. Leite, “Hydrogen cyanamide, mineral and vegetable oils on budbreak and fruit production of ’Royal Gala’ apple trees”, Semina: Ciênc. Agrár., vol. 31, no. 4Sup1, pp. 1145–1154, Feb. 2011.