O P LATHWAL; P S MALIK. 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, India, v. 31, n. 1, 2014. DOI: 10.56739/jor.v31i1.142122. Disponível em: https://epubs.icar.org.in/index.php/JOR/article/view/142122. Acesso em: 21 jun. 2026.