SHEORAN P, SARDANA V, CHANDER S, KUMAR A, MEENA MD, BALI A, et al. Sulphur, boron and zinc nutrition to improve productivity, profitability and oil quality in sunflower (Helianthus annuus). Indian J Agri Sci [Internet]. 2018 Nov. 16 [cited 2025 Oct. 26];88(11):1746-5. Available from: https://epubs.icar.org.in/index.php/IJAgS/article/view/84921