Field experiments were conducted during the year 2013 and 2014 under ultra high density planting mango at research and development farm of Jain Irrigation Systems Limited, Udumalpet with four years of mango varieties viz., Alphonso, Himampasand, and Banganapalli trees were selected for the study. The spacing of the grafts was 3mx2m with a plot size of 4x8m2 comprising a population of 1667plant / hac. The experiment was laid out in split plot design with three mango varieties in the main plot and micronutrients in sub plot treated with seven treatments. | Studies on the effect of micronutrients on the yield, quality of mango varieties under UHDP (Ultra High Density Planting)