G SURESH; S N SUDHAKARA BABU; A AZIZ QURESHI. Productivity and nutrient use of sunflower (Helianthus annuus L.) in sequential cropping system in Vertisols: PRODUCTIVITY AND NUTRIENT USE OF SUNFLOWER IN SEQUENTIAL CROPPING SYSTEM IN VERTISOLS. Journal of Oilseeds Research, India, v. 32, n. 2, 2015. DOI: 10.56739/jor.v32i1.141817. Disponível em: https://epubs.icar.org.in/index.php/JOR/article/view/141817. Acesso em: 3 nov. 2025.