soilphysics

Unsaturated Hydraulic Conductivity

Unsaturated Hydraulic Conductivity as a function of water content

A shiny for calculation of the usual least limiting water range

A shiny for calculation of least limiting water and matric potential ranges of agricultural soils with calculated physical restriction thresholds

A shiny for simulation of soil compaction

Multiple R-squared

Self-Starting Nls Load Bearing Capacity Model

The S Index

Soil Aggregate Size Data Set

Soil Aggregate-Size Distribution

A shiny for Soil Aggregate-Size Distribution

Soil Bulk Density Data Set

Soil Compaction Data Set

Estimation of compressive properties by Defossez et al. (2003)

Estimation of compressive properties by Keller and Arvidsson (2007)

Estimation of compressive properties by de Lima et al. (2018)

Estimation of compressive properties by de Lima et al. (2020)

Estimation of compressive properties by O'Sullivan et al. (1999)

Critical Moisture and Maximum Bulk Density

Self-starting Nls Busscher's (1990) Model for Soil Penetration Resistance

Parameter Estimation of the Load Bearing Capacity Model

Interactive Estimation of van Genuchten's (1980) Model Parameters

Interactive Estimation of the Groenevelt and Grant (2004) Model Parameters

Interactive Estimation of the Dexter's (2008) Model Parameters

Self-starting Nls Power Models for Soil Water Retention

Interactive Estimation of the Modified van Genuchten's Model Parameters

Converting Function to Formula

Get Initial Parameter Estimates for the Load Bearing Capacity Model

High-Energy-Moisture-Characteristics Aggregate Stability

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.

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.

Integral Water Capacity (IWC)

Soil Liquid Limit

Least Limiting Water Range (LLWR)

Least Limiting Water Range (LLWR) Using Pedo-Transfer Functions

Least Limiting Water (LLWR) and Matric Potential Ranges (LLMPR)

Maximum Curvature Point

Sedimentation time of soil particles in aqueous media

A shiny for time of particle sedimentation

Percentile Confidence Intervals for Simulated Preconsolidation Stress

Soil Pore Size Distribution

Equation of capillary

A shiny for equation of capillarity

Preconsolidation Stress

Simulating Preconsolidation Stress

LLWR Data Set

Soil deformation by O'Sullivan and Robertson (1996)

Estimation of precompression stress by Severiano et al. (2013)

Estimation of precompression stress by Schjonning and Lamande (2018)

Estimation of precompression stress by Saffih-Hdadi et al. (2009)

Estimation of precompression stress by Lebert and Horn (1991)

Estimation of precompression stress by Imhoff et al. (2004)

Soil Physical Analysis

Soil Water Retention, based on the van Genuchten's (1980) formula

Soil Water Retention, based on the Groenevelt & Grant (2004) formula

Soil Water Retention, based on the Dexter's (2008) formula

Soil Water Retention, based on Power Models

Soil Water Retention, based on the modified van Genuchten's formula

Predicting Soil Stress Due to Agricultural Trafficability

Void Ratio