Relente, Flore-Anne C., and Luz G. Asio. “Nitrogen Application Improved the Growth and Yield Performance of Sweetpotato (lpomoea Batatas (L.) Lam.)”.
Annals of Tropical Research
, vol. 42, no. 1, May 2020, pp. 45-55, doi:10.32945/atr4214.2020.