PARVENDER SHEORAN; VIRENDER SARDANA; RAJ SINGH. Evaluating productivity potential of spring planted sunflower (Helianthus annuus) hybrids in response to sowing time under changing climate scenario. Indian Journal of Agronomy, [S. l.], v. 59, n. 1, p. 87–95, 2001. DOI: 10.59797/ija.v59i1.4521. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4521. Acesso em: 24 jun. 2026.