1.
Sotomayor-Ríos A, Lugo-López MA. Nitrogen Fertilization of Sorghum in an Oxisol in Northwestern Puerto Rico. JAUPR [Internet]. 1978 Oct. 1 [cited 2024 Apr. 26];62(4):380-8. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/10349