Considering the importance of micronutrients and bio regulators in determining quality production of onion, the present investigation was undertaken. The experiment laid out in RBD with twenty-seven treatments in three replications. Micronutrients like Fe and Zn added in to the soil through alone and combination with FYM and cow dung slurry as per treatment. Fe and Zn also applied through foliar spraying alone and combination with amino acid, GA3 and 2-4-D. Soil application of zinc with cow dung slurry emerged as the best treatment for number of leaves per plant, polar diameter of bulb, bulb weight, yield, TSS and mineral components of bulb. |