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Calcium lactate as a soil amendment: Mechanistic insights into its effect on salinity, alkalinity, and aggregation in saline-alkaline soils
Soil and Tillage Research ( IF 6.1 ) Pub Date : 2025-01-23 , DOI: 10.1016/j.still.2025.106459
Jingbiao Fan, Qilin Lv, Tairan Zhou, Tianhao Wang, Haixiang Gao, Wenfeng Zhou, Xueqin Ren, Shuwen Hu
Soil and Tillage Research ( IF 6.1 ) Pub Date : 2025-01-23 , DOI: 10.1016/j.still.2025.106459
Jingbiao Fan, Qilin Lv, Tairan Zhou, Tianhao Wang, Haixiang Gao, Wenfeng Zhou, Xueqin Ren, Shuwen Hu
Soil salinization is a problem that threatens agricultural productivity and food security. It occurs when soluble salts, sodium (Na+ ) and carbonate (CO3 2- ) ions accumulate excessively in the soil. In this study we thoroughly investigate the potential of using calcium lactate (CL) as a soil amendment to mitigate the effects caused by soil salinization. We comprehensively analyze how CL affects soil parameters such, as salinity, colloid morphology and physicochemical properties. Our hypotheses are that CL can effectively counterbalance the adverse soil pH and high salinity conditions in the soil. This happens because CL reacts with free CO3 2- ions through an acid base neutralization reaction, which helps reduce the alkalinity of the soil. Moreover, this alteration enhances the ion exchange process between calcium (Ca2+ ) and sodium ions (Na+ ), resulting in the substitution of Ca2+ ions for Na+ ions attached to the soil particle surfaces. As a result, there is a decrease in the percentage of sodium leading to an improvement in saline soil conditions. Moreover, CL supports the formation of more stable soil aggregates, by bridging and hydrogen bonding processes thereby enhancing soil structure. Furthermore, it promotes the creation of organic mineral composites. Increases storage of carbon in the soil ultimately improving its fertility. When we compare CL to inorganic calcium salts such as CaCl2 and gypsum it becomes apparent that CL is more environmentally friendly, safe and effective, as a soil amendment. Its main purpose is to mitigate soil salinity and improve soil quality.
中文翻译:
乳酸钙作为土壤改良剂:其对盐碱土壤盐度、碱度和聚集度影响的机理见解
土壤盐碱化是一个威胁农业生产力和粮食安全的问题。当可溶性盐、钠 (Na+) 和碳酸盐 (CO32-) 离子在土壤中过度积累时,就会发生这种情况。在这项研究中,我们彻底研究了使用乳酸钙 (CL) 作为土壤改良剂以减轻土壤盐碱化影响的潜力。我们全面分析了 CL 如何影响土壤参数,例如盐度、胶体形态和物理化学特性。我们的假设是 CL 可以有效抵消土壤中不利的土壤 pH 值和高盐度条件。发生这种情况是因为 CL 通过酸碱中和反应与游离的 CO32- 离子反应,这有助于降低土壤的碱度。此外,这种改变增强了钙 (Ca2+) 和钠离子 (Na+) 之间的离子交换过程,导致 Ca2+ 离子被附着在土壤颗粒表面的 Na+ 离子取代。结果,钠的百分比降低,导致盐碱土壤条件的改善。此外,CL 通过桥接和氢键过程支持形成更稳定的土壤团聚体,从而增强土壤结构。此外,它还促进了有机矿物复合材料的创造。增加土壤中的碳储存,最终提高土壤的肥力。当我们将 CL 与 CaCl2 和石膏等无机钙盐进行比较时,很明显 CL 作为土壤改良剂更环保、更安全、更有效。其主要目的是减轻土壤盐分和改善土壤质量。
更新日期:2025-01-23
中文翻译:
![](https://scdn.x-mol.com/jcss/images/paperTranslation.png)
乳酸钙作为土壤改良剂:其对盐碱土壤盐度、碱度和聚集度影响的机理见解
土壤盐碱化是一个威胁农业生产力和粮食安全的问题。当可溶性盐、钠 (Na+) 和碳酸盐 (CO32-) 离子在土壤中过度积累时,就会发生这种情况。在这项研究中,我们彻底研究了使用乳酸钙 (CL) 作为土壤改良剂以减轻土壤盐碱化影响的潜力。我们全面分析了 CL 如何影响土壤参数,例如盐度、胶体形态和物理化学特性。我们的假设是 CL 可以有效抵消土壤中不利的土壤 pH 值和高盐度条件。发生这种情况是因为 CL 通过酸碱中和反应与游离的 CO32- 离子反应,这有助于降低土壤的碱度。此外,这种改变增强了钙 (Ca2+) 和钠离子 (Na+) 之间的离子交换过程,导致 Ca2+ 离子被附着在土壤颗粒表面的 Na+ 离子取代。结果,钠的百分比降低,导致盐碱土壤条件的改善。此外,CL 通过桥接和氢键过程支持形成更稳定的土壤团聚体,从而增强土壤结构。此外,它还促进了有机矿物复合材料的创造。增加土壤中的碳储存,最终提高土壤的肥力。当我们将 CL 与 CaCl2 和石膏等无机钙盐进行比较时,很明显 CL 作为土壤改良剂更环保、更安全、更有效。其主要目的是减轻土壤盐分和改善土壤质量。