Ch’ng, H. Y., Haruna, A. O., Majid, N. M. N. A. and 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), pp. 34–42. doi: 10.4081/ija.2019.1107.