Effects of sheep bone biochar on soil quality, maize growth, and fractionation and phytoavailability of Cd and Zn in a mining-contaminated soil

Muhammad Azeem, Amjad Ali, Parimala Gnana Soundari Arockiam Jeyasundar, Saqib Bashir, Qaiser Hussain, Fazli Wahid, Esmat F. Ali, Hamada Abdelrahman, Ronghua Li, Vasileios Antoniadis, Jörg Rinklebe, Sabry M. Shaheen, Gang Li, Zenqqiang Zhang