B. Mandal, N. De, V.N. Mishra, S. Sharma and K.B. Polara APKBRDDPGH. Extractable Iron and Manganese in Soil as Influenced by Management Practices in Some Long-Term Experiments of India. JISSS. 2018;66(1). Accessed July 16, 2026. https://epubs.icar.org.in/index.php/JISSS/article/view/80709