Utilizing spent mushroom substrate biochar to improve Zea mays L. growth and biochemical resilience against cadmium and chromium toxicity. - Dawar, Khadim; Khan, Ahmad Ullah; Al-Mutairi, Motirh; Alotaibi, Modhi O.; Mian, Ishaq Ahmad; Muhammad, Asim; Alam, Syed Sartaj; Shoaib, Saniha; Ghoneim, Adel M. (Scientific Reports, 2025)