SARVARI, B A; SINGH, V K; SHEKHAWAT, KAPILA; OBAID, H; WASIFHY, M K; BARAKZAY, K R; RATHORE, S S. Foliar nitrogen application for enhancing growth, productivity and nitrogen use efficiency in sunflower (Helianthus annuus). The Indian Journal of Agricultural Sciences, Delhi, India, v. 90, n. 5, p. 1040–1042, 2020. DOI: 10.56093/ijas.v90i5.104391. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/104391. Acesso em: 20 oct. 2025.