Trehan, S.P. and Singh, B.P. (2013) “NUTRIENT EFFICIENCY OF DIFFERENT CROP SPECIES AND POTATO VARIETIES - IN RETROSPECT AND PROSPECT”, Potato Journal, 40(1). Available at: https://epubs.icar.org.in/index.php/PotatoJ/article/view/31803 (Accessed: 2 June 2026).