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June 27, 2026AgronomyOpen Access

Spatial Patterns and Drivers of Soil Moisture and Infiltration in Abandoned Karst Sloping Farmland

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Authors

ZZZhimeng ZhaoJZJunhua Zhang

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Overview

Randomized trial investigates soil moisture dynamics in abandoned karst farmland, suggesting topography significantly influences infiltration patterns.

Key Points

  • This research aims to understand soil moisture dynamics and rainfall infiltration characteristics in abandoned karst sloping farmland.
  • Selected an abandoned farmland with five monitoring points along the slope gradient.
  • Monitored volumetric water content in the 0–40 cm soil layer over one year using in situ methods.
  • Utilized staining tracer tests to quantify infiltration characteristics.
  • Higher soil moisture content found on the downhill slopes (S1, S2) compared to the uphill slopes (S4, S5).
  • The preferential flow index decreased from 46.6 ± 2.3% at S1 to 34.7 ± 2.1% at S5, indicating less rapid vertical flow.
  • Correlation analysis revealed a strong negative association between soil bulk density and infiltration capacity.

Cite This Study

Zhao et al. (2026) studied this question.

synapsesocial.com/papers/6a3f6972aea7db3c19540346https://doi.org/10.3390/agronomy16131237
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