Читать книгу Groundwater Geochemistry - Группа авторов - Страница 78

Long‐term saline stress in terms of excess Cl⁻ and Na⁺ ions in soils induces the accumulation of ions into the plant that leads to ion toxicity. A high concentration of Cl⁻ ions in the soils affect the plant; further, it can affect photosynthesis, which leads to leaf burn and necrosis. Whereas the excess amount of Na⁺ ions in soil reduces the intake of K⁺ ions, which is highly desirable (White and Broadley 2001; Barhoumie et al. 2007; Machado and Serralheiro 2017). Boron toxicity is a common issue in the soils of the arid and semi‐arid regions. It affects various aspects of the plant growth, such as metabolism alteration, lowering chlorophyll content in leaves, and decreasing root growth (Nable et al. 1990, 1997).