B.B. NAYAK, S. BHARATHI, M. SREE REKHA, and K. JAYALALITHA, “Effect of crop geometry and nitrogen levels on leaf chlorophyll content of cotton (Gossypium hirsutum) at different growth stages under rainfed Vertisols”, IJA, vol. 69, no. 1, pp. 112–116, May 2024, doi: 10.59797/ija.v69i1.5494.