| soilphysics-package | Soil Physical Analysis |
| aggreg.stability | Soil Aggregate-Size Distribution |
| aggreg.stability_App | A shiny for Soil Aggregate-Size Distribution |
| bulkDensity | Soil Bulk Density Data Set |
| compaction | Soil Compaction Data Set |
| compressive_properties | Estimation of compressive properties by Defossez et al. (2003) |
| compressive_properties2 | Estimation of compressive properties by Keller and Arvidsson (2007) |
| compressive_properties3 | Estimation of compressive properties by de Lima et al. (2018) |
| compressive_properties4 | Estimation of compressive properties by de Lima et al. (2020) |
| compressive_properties5 | Estimation of compressive properties by O'Sullivan et al. (1999) |
| criticalmoisture | Critical Moisture and Maximum Bulk Density |
| fitbusscher | Self-starting Nls Busscher's (1990) Model for Soil Penetration Resistance |
| fitlbc | Parameter Estimation of the Load Bearing Capacity Model |
| fitsoilwater | Interactive Estimation of van Genuchten's (1980) Model Parameters |
| fitsoilwater2 | Interactive Estimation of the Groenevelt and Grant (2004) Model Parameters |
| fitsoilwater3 | Interactive Estimation of the Dexter's (2008) Model Parameters |
| fitsoilwater4 | Self-starting Nls Power Models for Soil Water Retention |
| fitsoilwater5 | Interactive Estimation of the Modified van Genuchten's Model Parameters |
| fitsoilwater_App | A shiny for fitting soil water retention curves |
| fun2form | Converting Function to Formula |
| getInitiallbc | Get Initial Parameter Estimates for the Load Bearing Capacity Model |
| hemc | High-Energy-Moisture-Characteristics Aggregate Stability |
| hydraulicCutOff | The matric potential at the point of hydraulic cut-off obtained from DE (Dexter et al., 2008) and GG (Groenevelt & Grant, 2004) water retention curves. |
| hydraulicCutOff2 | The matric potential at the point of hydraulic cut-off using the point of maximum curvature of DE (Dexter et al. 2008) water retention curve. |
| iwc | Integral Water Capacity (IWC) |
| Kr_h | Unsaturated Hydraulic Conductivity |
| Kr_theta | Unsaturated Hydraulic Conductivity as a function of water content |
| liquidlimit | Soil Liquid Limit |
| llwr | Least Limiting Water Range (LLWR) |
| llwrPTF | Least Limiting Water Range (LLWR) Using Pedo-Transfer Functions |
| LLWR_App | A shiny for calculation of the usual least limiting water range |
| llwr_llmpr | Least Limiting Water (LLWR) and Matric Potential Ranges (LLMPR) |
| LLWR_LLMPR_App | A shiny for calculation of least limiting water and matric potential ranges of agricultural soils with calculated physical restriction thresholds |
| maxbulkdensity | Critical Moisture and Maximum Bulk Density |
| maxcurv | Maximum Curvature Point |
| particle.sedimentation | Sedimentation time of soil particles in aqueous media |
| particle.sedimentation_App | A shiny for time of particle sedimentation |
| plotCIsigmaP | Percentile Confidence Intervals for Simulated Preconsolidation Stress |
| PredComp | A shiny for simulation of soil compaction |
| psd | Soil Pore Size Distribution |
| r | Equation of capillary |
| Rsq | Multiple R-squared |
| r_App | A shiny for equation of capillarity |
| sigmaP | Preconsolidation Stress |
| simSigmaP | Simulating Preconsolidation Stress |
| Sindex | The S Index |
| skp1994 | LLWR Data Set |
| SoilAggregate | Soil Aggregate Size Data Set |
| soilDeformation | Soil deformation by O'Sullivan and Robertson (1996) |
| soilphysics | Soil Physical Analysis |
| soilStrength | Estimation of precompression stress by Severiano et al. (2013) |
| soilStrength2 | Estimation of precompression stress by Schjonning and Lamande (2018) |
| soilStrength3 | Estimation of precompression stress by Saffih-Hdadi et al. (2009) |
| soilStrength4 | Estimation of precompression stress by Lebert and Horn (1991) |
| soilStrength5 | Estimation of precompression stress by Imhoff et al. (2004) |
| soilwater | Soil Water Retention, based on the van Genuchten's (1980) formula |
| soilwater2 | Soil Water Retention, based on the Groenevelt & Grant (2004) formula |
| soilwater3 | Soil Water Retention, based on the Dexter's (2008) formula |
| soilwater4 | Soil Water Retention, based on Power Models |
| soilwater5 | Soil Water Retention, based on the modified van Genuchten's formula |
| SSlbc | Self-Starting Nls Load Bearing Capacity Model |
| stressTraffic | Predicting Soil Stress Due to Agricultural Trafficability |
| voidratio | Void Ratio |