PREM SINGH; U.P. SHAHI; V.K. SINGH; NEERAJ K. AWASTHI; P.K. RAI. Effect of potassium management on crop growth, yield and economics of spring maize (Zea mays) in western Uttar Pradesh. Indian Journal of Agronomy, [S. l.], v. 64, n. 4, p. 528–532, 2001. DOI: 10.59797/ija.v64i4.5305. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/5305. Acesso em: 23 jul. 2026.