Deva S, Mallikarjun M, Lakshmi Ravuri P, Jyosthna M. Response of Pigeonpea to Zinc Sulphate and Potassium under rainfed Conditions in Western Mandals of Chittoor District. JAEM. 2023;24(1):85. Accessed October 26, 2025. https://epubs.icar.org.in/index.php/JAEM/article/view/158628