To examine the effects of soil nitrogen addition rates, yeast addition timing, and foliar yeast spraying on the quantity and quality traits of sugar beet throughout 2020-2021 and 2021-2022 seasons, two trials were undertaken at a field in Wazeer Village, Belqas District, Dakahlia Governorate, Egypt.Four duplicates of each field experiment were used in the strip-split plot design.The greatest value...