K S SOMASHEKAR; G M SUJITH; M S UMA; K RAMESH; D NEHRU; K M SRINIVAS REDDY; C P MANJULA. Efficacy of pre and post-emergence herbicide on growth, yield and economics of sunflower (Helianthus annuus L.) under modified spacing: Efficacy of pre and post-emergence herbicide on growth, yield and economics of sunflower (Helianthus annuus L.) under modified spacing. Journal of Oilseeds Research, India, v. 37, n. Specialissue, 2020. DOI: 10.56739/jor.v37iSpecialissue.140849. Disponível em: https://epubs.icar.org.in/index.php/JOR/article/view/140849. Acesso em: 9 jul. 2025.