CH’NG, H. Y.; HARUNA, A. O.; MAJID, N. M. N. A.; JALLOH, M. B. Improving soil phosphorus availability and yield of Zea mays l. using biochar and compost derived from agro-industrial wastes. Italian Journal of Agronomy, v. 14, n. 1, p. 34-42, 20 fev. 2019.