G. SURESH and B. N. REDDY, “Effect of weed control practices on weed dry matter, production potential and nutrient uptake of sunflower (Helianthus annuus) in Vertisols”, Indian J Agri Sci, vol. 80, no. 1, Jan. 2011, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/2800