Alers-Alers, S., & Orengo-Santiago, E. (1977). LACK OF RESPONSE OF SWEET PEPPERS TOP LEVELS, P PLACEMENT, AND TIMING OF N APPLICATION IN SOUTHERN PUERTO RICO. The Journal of Agriculture of the University of Puerto Rico, 61(3), 389–391. https://doi.org/10.46429/jaupr.v61i3.10439