Wahyudi, M. ., Y. . Sepriani, B. . Ainy Dalimunthe, and D. . Hariyati Adam. “The Effect of Npk 16 16 16 Fertilizer and Time of Application on the Growth of Red Chili Plants in Afdeling 2 Plantation, West Bilah District, Labuhanbatu Regency”. International Journal of Science and Environment (IJSE), vol. 2, no. 3, Aug. 2022, pp. 79-84, doi:10.51601/ijse.v2i2.26.