S. KASTURI KRISHNA; S.V. KRISHNA REDDY; V. KRISHNAMURTHY. Effect of spacing, levels of nitrogen and topping on yield and quality of irrigated , natu tobacco (Nicotiana tabacum) grown in Alfisols of Andhra Pradesh. Indian Journal of Agronomy, [S. l.], v. 49, n. 2, p. 124–127, 2001. DOI: 10.59797/ija.v49i2.5175. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/5175. Acesso em: 24 jun. 2026.