RAMESH, Naik M; HEMALATHA, S; REDDY, A P K; NAGA, Madhuri K V; UMAMAHESH, V. Calibration of leaf colour chart for need-based nitrogen management in Rabi maize under varied planting density in rainfed agriculture. Plant Science Today, [S. l.], v. 12, n. sp4, 2025. DOI: 10.14719/pst.8549. Disponível em: https://horizonepublishing.com/journals/index.php/PST/article/view/8549. Acesso em: 5 dec. 2025.