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

IF 4.5 1区农林科学 Q1 AGRONOMY

European Journal of Agronomy Pub Date : 2025-04-01 DOI:10.1016/j.eja.2025.127618

Qi Miao , Shuaibing Wu , Junchao Li , Jishi Zhang , Yunhong Wang , Gang Wu , Yixiang Sun , Hao Ying , Zhenling Cui

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Abstract

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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来源期刊

European Journal of Agronomy 农林科学-农艺学

CiteScore

8.30

自引率

7.70%

发文量

187

审稿时长

4.5 months

期刊介绍： The European Journal of Agronomy, the official journal of the European Society for Agronomy, publishes original research papers reporting experimental and theoretical contributions to field-based agronomy and crop science. The journal will consider research at the field level for agricultural, horticultural and tree crops, that uses comprehensive and explanatory approaches. The EJA covers the following topics: crop physiology crop production and management including irrigation, fertilization and soil management agroclimatology and modelling plant-soil relationships crop quality and post-harvest physiology farming and cropping systems agroecosystems and the environment crop-weed interactions and management organic farming horticultural crops papers from the European Society for Agronomy bi-annual meetings In determining the suitability of submitted articles for publication, particular scrutiny is placed on the degree of novelty and significance of the research and the extent to which it adds to existing knowledge in agronomy.