Synergistic effect of β-sitosterol and biochar application for improving plant growth of Thymus vulgaris under heat stress

Khadiga Alharbi, Amir Khan, Haifa A. S. Alhaithloul, Nadi Awad Al‐Harbi, Salem Mesfir Al-Qahtani, Saeedah Sallum Aloufi, Awatif M. Abdulmajeed, Muhammad Atif Muneer, Suliman Mohammed Suliman Alghanem, Muhammad Zia‐ur‐Rehman, Muhammad Usman, Mona H. Soliman