| 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 | 
| WRC_App | A shiny to automatically fit the water retention curve |