SINGH, VED; YADAV, B S; BHUNIA, S R. Effect nf planting date and irrigation management on growth and yield of spring sunflower (Helianthus annuus)*. The Indian Journal of Agricultural Sciences, Delhi, India, v. 67, n. 1, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/29846. Acesso em: 29 oct. 2025.