BUTA SINGH DHILLON; P.K. SHARMA; VIRENDER SARDANA. Productivity of spring sunflower (Helianthus annuus) in response to sowing dates and foliar application of boron and TIBA. Indian Journal of Agronomy, [S. l.], v. 63, n. 3, p. 342–349, 2024. DOI: 10.59797/ija.v63i3.5659. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/5659. Acesso em: 24 jun. 2026.