K. PRABHAKAR, P. MUNIRATHNAM, S. BALAJI NAYAK, K. VENKATARAMANAMMA, T. RAGHAVENDRA, P. PULLI BAI AND B. GOPAL REDDY, “SOIL TEST BASED NUTRIENT MANAGEMENT FOR RABI SUNFLOWER (Helianthus annuus L.)”, J. Res. ANGRAU, vol. 45, no. 1, pp. 16–21, Mar. 2017, Accessed: Jun. 22, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/TJRA/article/view/140595