Unraveling Zinc Toxicity Thresholds in Soil and Leaves of Field-grown Soybean and Their Impacts on the Antioxidant Defense System, Nutritional Status, and Physiological Performance
这项关于热带粘性氧化土中大豆生长的野外研究确定了土壤中 13 mg dm⁻³ 和叶片中 76 mg kg⁻¹ 的关键锌毒性阈值,证明了过量的锌主要是通过氧化应激和抗氧化防御不足,而非营养失衡,从而降低谷物产量和光合效率。