TAUSEEF A. BHAT, RAJINDER KOTRU, K.N. SINGH, SHAHID B. DAR, HARI RAM. Real-time nitrogen management using leaf colour chart in rice (Oryza sativa) genotypes. IJA [Internet]. 2001 Oct. 10 [cited 2026 Jun. 24];60(1):70-5. Available from: https://pub.isa-india.in/index.php/ija/article/view/4416