ROTAR, I.; MOLDOVAN, A.; CHIRCA, E.; SUTEU, A. Mineral nitrogen effect applied to the lucerne crop and the factor which co-operates to his recover. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, [S. l.], v. 23, n. 1, p. 119–124, 1993. DOI: 10.15835/nbha231342. Disponível em: https://notulaebotanicae.ro/index.php/nbha/article/view/342. Acesso em: 20 mar. 2025.