Effect of Nitrogen and Foliar Spray of Potassium Nitrate and Calcium Nitrate on Growth and Productivity of Yellow Sarson (Brassica Campestris L. Var Yellow Sarson) Crop under Irrigated Condition. JANS 2017, 9 (2), 888-892. https://doi.org/10.31018/jans.v9i2.1293.