Biochar Improved Saline–Alkali Barrier and Sunflower Yield Under Drip Irrigation. - Lan, Tian; Wu, Yan; Ba, Tele; Xing, An; Wang, Zhaoming; Ergu, Adu; Tong, Lihong; Song, Mengzhu; Zhang, Lechuan; Hong, Mei (Agronomy, 2026)