数字农科院2.0

Strip tillage enhances the synergy of higher maize yield, less energy consumption, and lower carbon footprint in high latitude areas of Northeastern China

文献类型： 外文期刊

作者： Mengyao Han;Haotian Chen;Yan Zhang;Zhijia Gai;Baifu Jiang;Lijun Cai;Chunjiang Wang;Aixing Deng;Weijian Zhang;Zhenwei Song

作者机构：

关键词： Carbon footprint;Conservation tillage;Energy budget;Maize production;Soil properties;Strip tillage

期刊名称： European Journal of Agronomy

ISSN： 1161-0301

年卷期： 2025 年 172 卷

页码：

收录情况： SCIE（2025版）

摘要： Conservation tillage is essential for mitigating soil erosion, improving soil fertility, and sustaining crop productivity. However, its combined effects on crop yield, soil quality, energy use, and carbon footprint in high-latitude regions remain poorly quantified. The comparative performance of different tillage practices in achieving integrated sustainability objectives remains insufficiently investigated. This three-year field study conducted in the cold, high-latitude region of Northeastern China. We compared conservation tillage methods-strip tillage (ST) and no tillage (NT)-with plough tillage (PT) and conventional rotary tillage (RT) under maize straw incorporation system. Results showed that compared to conventional RT, ST and PT increased crop yields by 7.0 % and 6.1 %, respectively, while NT showed no significant improvement. At the 0–20 cm depth, both ST and NT significantly enhanced total nitrogen (TN) and soil organic carbon (SOC) stocks. ST further enhanced soil aggregate stability, increasing mean weight diameter (MWD) and geometric mean diameter (GMD) by 13.3 % and 17.0 % compared to NT. At the 20–40 cm depth, NT exhibited the highest MWD and GMD values compared to other treatments. ST and NT also reduced energy inputs improved energy use efficiency. Compared to RT, they lowered the carbon footprint by 1.2–10.2 % and 2.4–8.8 %, respectively. A Z-score standardized multi-criteria evaluation integrating 14 agronomic, environmental, and economic indicators ranked the treatments as ST (10.8) > NT (8.5) > PT (-7.1) > RT (-12.2). These findings highlight strip tillage with straw incorporation as a promising strategy for short-term balancing productivity, environmental sustainability, and energy efficiency in maize systems of high-latitude regions.

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