O P LATHWAL, & P S MALIK. (2014). Evaluation of benefits of optimum sowing time on yield and economics of spring sunflower under frontline demonstrations: Evaluation of benefits of optimum sowing time on yield and economics of spring sunflower under frontline demonstrations. Journal of Oilseeds Research, 31(1). https://doi.org/10.56739/jor.v31i1.142122