Researches were made between 2006-2007 periods in a young plantation in Buzias-Silagiu viticutural centre. Researches referred to the way in which green fertilizers are influencing vigour, wood maturation, quantity and quality of the yield at Sauvignon Blanc, Merlot and Burgund varieties. Winter fooder used as green fertilizer had a positive influence upon yield increase and also upon soil phisico-chemical features. Soil maintenance using plants cultivation as green fertilizer represents an important alternative of the classic soil maintenance system because provides a lot of advantages.

green fertilizers, vigour, wood maturation; yield; wine grapes varieties

Presentation: oral