NWAOGUALA, N. C.; LAW-OGBOMO, K. E. Comparative Effect of Poultry and Swine Manures on the Performance of White Guinea Yam (Dioscorea rotundata Poir) in an Ultisols Environment. Notulae Scientia Biologicae, [S. l.], v. 10, n. 4, p. 516–521, 2018. DOI: 10.15835/nsb10410393. Disponível em: https://www.notulaebiologicae.ro/index.php/nsb/article/view/10393. Acesso em: 29 jan. 2023.