K.D.N. Singh and A.P. Singh, U.U.V.K.R.P. (2014) “Integrated Effect of Fertilizers and Organic Manure on the Forms of Zinc and their Availability under Sugarcane-based Cropping System in Calciorthents”, Journal of the Indian Society of Soil Science, 61(4). Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/37758 (Accessed: 17 July 2026).