Naik, M. R.; Hemalatha, S.; Reddy, A. P. K.; Madhuri, K. V. N.; Umamahesh, V.; Rakesh, S. Efficient Need Based Nitrogen Management in Rabi Maize (Zea Mays L.) Using Leaf Colour Chart Under Varied Planting Density. IJBSM 2022, 13, 586-594.