This paper research the mineral fertilization influence in different doses, upon buds viability at Pinot Noir, Riesling Italian, and Feteasca neagra varieties. Because of buds last on winter's time, bud's viability on fruit cords control is a compulsory study. Buds lost depend on minimum temperatures, on frost's time on vine physiological state and on applied agrotechnics.

fertilization; cords; viability; wines grapes varieties

Presentation: oral