Fig 1.
Underground fissure of slope farmland in karst area.
Fig 2.
Location of the study area (Huaxi District, Guiyang city, Guizhou Province, China).
Table 1.
Basic properties of the test soil.
Fig 3.
Sketch of the experimental apparatus.
Fig 4.
Variation of runoff with rainfall duration under different rainfall conditions.
Fig 5.
Linear regression equation of rainfall intensity and runoff.
Table 2.
Surface and underground runoff loss characteristics under different rainfall intensities.
Fig 6.
Variation of runoff nutrient concentrations with rainfall duration.
Fig 7.
Variation of runoff nutrient and diversion loss with rainfall duration.
Table 3.
Surface and underground runoff loss characteristics under different rainfall intensities.
Table 4.
Fitting regression equation of rainfall intensity and runoff nutrient loss.
Fig 8.
Proportion of nutrient loss in surface and underground runoff.
Fig 9.
Fitting between nutrient loss and runoff.
Table 5.
Correlation analysis of nutrient loss, rainfall intensity, and runoff.