Muhammad Usama Aslam, Muhammad Ahsan, Hassan Mumtaz, Siraj Ud Din, Punhoon Khan Korai, Shakir Shehzad, and Adalat Ali. “Effect of Biochar-Coated Potassium Fertilizer on Spinach (Spinacia Oleracea L.) Growth and Soil Health”. Dialogue Social Science Review (DSSR) 3, no. 2 (February 24, 2025): 941–946. Accessed March 4, 2025. https://thedssr.com/index.php/2/article/view/331.