M, GUHAN; KALAIYARASAN, C; ANANDAN, P; ELAYARAJA, D. Optimising nano-nitrogen and conventional sulphur doses for enhancedgrowth and yield in sunflower (Helianthus annuus). The Indian Journal of Agricultural Sciences, Delhi, India, v. 96, n. 5, p. 585–588, 2026. DOI: 10.56093/ijas.v96i4.167528. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/167528. Acesso em: 22 sep. 2026.