1.
Talleyrand H, Lugo-López MA. Effect of Five Levels and Three Sources of N on Sweetpotato Yields on an Ultisol. JAUPR [Internet]. 1976 Jan. 1 [cited 2024 Jul. 17];60(1):9-14. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/10580