Panwar, A.S. (2008) “Effect of integrated nutrient management in maize (Zea mays)-mustard (Brassica compestris var toria) cropping system in mid hills altitude”, The Indian Journal of Agricultural Sciences, 78(1). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/9761 (Accessed: 27 October 2025).