was
lower in the organic than the conventional system in each year of
cultivation (3.30 vs. 4.05 and 4.24 vs. 5.11) and, considering the
average of 2 years data, it was 17.8% lower. The effects of year and
cropping system had a significant influence on WUE. Most cultivars did not differ for WUE in terms of management system, in
both years, apart from Regent and Augurio, that showed higher
values in conventional system in 2010. When the six cultivars were