M. MADHAVI, K. PREETHIKA REDDY, M. UMA DEVI, V. RAMULU and. EFFECT OF N AND K FERTIGATION SCHEDULES ON YIELD ATTRIBUTES AND YIELD OF SUNFLOWER (Helianthus annus L.). The Journal of Research, PJTSAU, India, v. 46, n. 2&3, 2019. Disponível em: https://epubs.icar.org.in/index.php/TJRP/article/view/88746. Acesso em: 26 jul. 2026.