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Productivity of saline soils can be improved by integrating soil-crop system management

文献类型： 外文期刊

作者： Miao, Qi 1 ; Wu, Shuaibing 2 ; Li, Junchao 2 ; Zhang, Jishi 3 ; Wang, Yunhong 4 ; Wu, Gang 1 ; Sun, Yixiang 1 ; Ying, Hao 2 ; Cui, Zhenling 2 ;

作者机构： 1.Anhui Acad Agr Sci, Soil & Fertilizer Res Inst, Key Lab Nutrient Cycling & Arable Land Conservat H, Hefei 230031, Peoples R China

2.China Agr Univ, Coll Resources & Environm Sci, State Key Lab Nutrient Use & Management, Beijing 100193, Peoples R China

3.Henan Acad Agr Sci, Inst Plant Nutr Resources & Environm, Zhengzhou 450002, Peoples R China

4.Minist Agr & Rural Affairs, China Agr Mechanizat Ctr, Beijing 100122, Peoples R China

关键词： Saline soil; Improved soil; Crop management; Spring maize; Soil-crop interaction

期刊名称：EUROPEAN JOURNAL OF AGRONOMY （ 影响因子：5.5； 五年影响因子：5.9 ）

ISSN： 1161-0301

年卷期： 2025 年 168 卷

页码：

收录情况： SCI

摘要： Appropriate field management strategies are essential for improving crop productivity and promoting agricultural sustainability in saline-alkaline soils. To explore the potential of synergistic soil improvement and optimal crop management for agricultural production, this study evaluated crop yield, resource utilization, and soil quality in a field experiment with monoculture spring maize cultivation in a coastal saline soil region from 2015 to 2019. Compared with farmers' practices, improved soil management (gypsum/cattle manure), crop management (variety/density), and a combination of both (ISCM) significantly decreased the sodium content, sodium removal rate, and pH by 51.5-60.2, 9.5-35.2, and 9.9 %, respectively, which increased soil organic carbon and total nitrogen by 31.9 and 22.2 %, respectively. Overall, ISCM was the most prominent in processing. As a result, ISCM increased yield and partial factor productivity of nitrogen by 37.2 and 94.5 %, respectively, and reduced N fertilizer use by 28.6 %. Therefore, soil-crop management, particularly the ISCM strategy, can successfully improve the saline soil environment, increase agricultural productivity, and achieve sustainability under intensive farming practices on saline land.

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