The field experiment was conducted during Rabi season of 2016-17 and 2017-18 at Research Farm of the Department of Vegetable Science, CCS Haryana Agricultural University, Hisar to study the effect of drip irrigation and nitrogen fertigation on plant height, leaf length, fresh and dry weight of onion leaves. The experiment was laid out with four levels of drip irrigation (60, 80, 100 and 120% of CPE) as main plots and four levels of nitrogen fertigation (75, 100, 125 and 150 kg/ha) as sub plots in a Split Plot Design and replicated three times with one control (surface irrigation and recommended dose of fertilizers). | Influence of drip irrigation and nitrogen fertigation on growth parameters of onion Allium cepa L.