Ch’ng, H. Y., Haruna, A. O., Majid, N. M. N. A., & Jalloh, M. B. (2019). Improving soil phosphorus availability and yield of Zea mays l. using biochar and compost derived from agro-industrial wastes. Italian Journal of Agronomy, 14(1), 34–42. https://doi.org/10.4081/ija.2019.1107