Evidence map›Paper›PMID 42086682›Full record

ArticleScientific reports2026

Comparative effects of tillage methods and depths on soil aggregate stability and organic carbon in sugarcane fields.

Zhenhong Luo, Lei Gan, Song Wang, Yu Zhang, JinSheng Huang, Taiqing Huang, Benhui Wei

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Zhenhong LuoGuangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin, 541006, China.
Lei GanGuangxi Key Laboratory of Environmental Pollution Control Theory and Technology, Guilin University of Technology, Guilin, 541006, China. allen_gl2006@163.com.
Song WangUniversity Engineering Research Center of Watershed Protection and Green Development, Guangxi, Guilin University of Technology, Guilin, 541006, China.
Yu ZhangUniversity Engineering Research Center of Watershed Protection and Green Development, Guangxi, Guilin University of Technology, Guilin, 541006, China.
JinSheng HuangInstitute of Agricultural Resources and Environment, Guangxi Academy of Agricultural Sciences, Nanning, 530007, China.
Taiqing HuangInstitute of Agricultural Resources and Environment, Guangxi Academy of Agricultural Sciences, Nanning, 530007, China.
Benhui WeiInstitute of Economic Crops, Guangxi Academy of Agricultural Sciences, Nanning, 530007, China.

Funding

Guangxi Science and Technology Program Guike AD25069074National Natural Science Foundation of China Grant Nos. 42067002 and 42267040
6 · The paper itself

Abstract

To assess the effectiveness of Smash-Ridging Tillage in improving soil structure and fertility, this study compared the impacts of traditional rotary tillage at 20 cm depth and Smash-Ridging Tillage at depths of 20 cm and 40 cm (F40) on soil aggregate distribution and stability meanwhile with its soil organic carbon characteristics in sugarcane fields of Guangxi, China. The results demonstrated that Smash-Ridging Tillage significantly reduced soil bulk density and enhanced soil total nitrogen content. Notably, it markedly increased the proportion of water-stable macroaggregates (> 0.25 mm) (p < 0.05), with the F40 achieving the highest macroaggregate content (51.17-60.72%). Aggregate stability, as indicated by mean weight diameter (MWD) and geometric mean diameter (GMD), was also significantly improved under Smash-Ridging Tillage. Pearson correlation and redundancy analyses revealed that macroaggregate content and the contribution rate of organic carbon associated with macroaggregates were positively correlated with MWD and GMD, but negatively correlated with fractal dimension and soil erodibility factor. The F40 showed the highest contribution rate of macroaggregate organic carbon, which was approximately 20.58-32.57% higher than that under traditional rotary tillage. Overall, deep smash-ridging tillage at 40 cm significantly improved soil structural stability, which enhanced organic carbon stabilization within macroaggregates, providing a scientific reference for optimizing tillage practices to improve soil structure and organic carbon sequestration in subtropical sugarcane fields.

Indexed as

Aggregate stabilitySmash-ridging tillageSoil aggregatesSoil organic carbonSugarcane field

Identifiers

PMID42086682
PMCPMC13333969

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