ptfkit::ahuja1984::calc_ptf_ahuja1984 | Estimate saturated hydraulic conductivity from total porosity and water content at -33 kPa using user-supplied empirical coefficients. | ptfkit.ahuja1984 |
ptfkit::aimrun2009::calc_ptf_aimrun2009 | Estimate saturated hydraulic conductivity for lowland paddy soils. | ptfkit.aimrun2009 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_mlr1 | Estimate three gravimetric water contents from silt, sand, and organic matter. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_mlr2 | Estimate three gravimetric water contents from sand and organic matter. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_mlr3 | Estimate three gravimetric water contents from silt and organic matter. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_mlr4 | Estimate three gravimetric water contents from clay and organic matter. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_mlr5 | Estimate three gravimetric water contents from clay, silt, and organic matter. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr1 | Estimate three gravimetric water contents from clay. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr2 | Estimate three gravimetric water contents from silt. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr3 | Estimate three gravimetric water contents from sand. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr4 | Estimate three gravimetric water contents from clay plus silt. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr5 | Estimate three gravimetric water contents from the clay-to-silt ratio. | ptfkit.beniaich2023 |
ptfkit::beniaich2023::calc_ptf_beniaich2023_slr6 | Estimate three gravimetric water contents from soil organic matter. | ptfkit.beniaich2023 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq1 | Estimate four gravimetric water contents from clay and silt. | ptfkit.chakraborty2011 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq2 | Estimate four gravimetric water contents from sand and bulk density. | ptfkit.chakraborty2011 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq3 | Estimate four gravimetric water contents from clay, silt, and bulk density. | ptfkit.chakraborty2011 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq4 | Estimate four gravimetric water contents from clay, silt, and sand. | ptfkit.chakraborty2011 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq5 | Estimate four gravimetric water contents from clay, silt, sand, and bulk density. | ptfkit.chakraborty2011 |
ptfkit::chakraborty2011::calc_ptf_chakraborty2011_eq6 | Estimate four gravimetric water contents from texture, organic carbon, and bulk density. | ptfkit.chakraborty2011 |
ptfkit::clapp1978::calc_ptf_clapp1978 | Return representative soil hydraulic parameters for a USDA texture class. | ptfkit.clapp1978 |
ptfkit::cosby1984::calc_ptf_cosby1984_univariate | Estimate Cosby et al. (1984) univariate hydraulic parameter statistics from soil texture. | ptfkit.cosby1984 |
ptfkit::dharumarajan2019::calc_ptf_dharumarajan2019_infiltration | Estimate infiltration rate for Karnataka soils from texture fractions. | ptfkit.dharumarajan2019 |
ptfkit::dharumarajan2019::calc_ptf_dharumarajan2019_nkp | Estimate field capacity and wilting point for Northern Karnataka soils. | ptfkit.dharumarajan2019 |
ptfkit::dharumarajan2019::calc_ptf_dharumarajan2019_nkp_clay | Estimate Northern Karnataka field capacity and wilting point from clay. | ptfkit.dharumarajan2019 |
ptfkit::dharumarajan2019::calc_ptf_dharumarajan2019_skp | Estimate field capacity and wilting point for Southern Karnataka soils. | ptfkit.dharumarajan2019 |
ptfkit::dharumarajan2019::calc_ptf_dharumarajan2019_skp_clay | Estimate Southern Karnataka field capacity and wilting point from clay. | ptfkit.dharumarajan2019 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcaric_fluvisol_sand | Estimate saturated conductivity for Calcaric Fluvisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcaric_fluvisol_texture_organic_matter | Estimate saturated conductivity for Calcaric Fluvisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcaric_regosol_sand | Estimate saturated conductivity for Calcaric Regosol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcaric_regosol_texture_organic_matter | Estimate saturated conductivity for Calcaric Regosol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcic_cambisol_sand | Estimate saturated conductivity for Calcic Cambisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcic_cambisol_texture_organic_matter | Estimate saturated conductivity for Calcic Cambisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcic_luvisol_sand | Estimate saturated conductivity for Calcic Luvisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_calcic_luvisol_texture_organic_matter | Estimate saturated conductivity for Calcic Luvisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_campbell_shiozawa | Evaluate the Campbell and Shiozawa saturated-conductivity PTF. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_chromic_luvisol_sand | Estimate saturated conductivity for Chromic Luvisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_chromic_luvisol_texture_organic_matter | Estimate saturated conductivity for Chromic Luvisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_cosby | Evaluate the Cosby et al. saturated-conductivity PTF. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_dane_puckett | Evaluate the Dane and Puckett saturated-conductivity PTF. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_dystric_cambisol_sand | Estimate saturated conductivity for Dystric Cambisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_dystric_cambisol_texture_organic_matter | Estimate saturated conductivity for Dystric Cambisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_dystric_regosol_sand | Estimate saturated conductivity for Dystric Regosol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_dystric_regosol_texture_organic_matter | Estimate saturated conductivity for Dystric Regosol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_eutric_cambisol_sand | Estimate saturated conductivity for Eutric Cambisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_eutric_cambisol_texture_organic_matter | Estimate saturated conductivity for Eutric Cambisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_eutric_regosol_sand | Estimate saturated conductivity for Eutric Regosol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_eutric_regosol_texture_organic_matter | Estimate saturated conductivity for Eutric Regosol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_general_sand | Estimate saturated conductivity for Spanish soils from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_general_texture_organic_matter | Estimate saturated conductivity for Spanish soils from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_cambisol_sand | Estimate saturated conductivity for Gleyic Cambisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_cambisol_texture_organic_matter | Estimate saturated conductivity for Gleyic Cambisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_luvisol_sand | Estimate saturated conductivity for Gleyic Luvisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_luvisol_texture_organic_matter | Estimate saturated conductivity for Gleyic Luvisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_solonchak_sand | Estimate saturated conductivity for Gleyic Solonchak from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_gleyic_solonchak_texture_organic_matter | Estimate saturated conductivity for Gleyic Solonchak from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_humic_acrisol_sand | Estimate saturated conductivity for Humic Acrisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_humic_acrisol_texture_organic_matter | Estimate saturated conductivity for Humic Acrisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_humic_cambisol_sand | Estimate saturated conductivity for Humic Cambisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_humic_cambisol_texture_organic_matter | Estimate saturated conductivity for Humic Cambisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_orthic_luvisol_sand | Estimate saturated conductivity for Orthic Luvisol from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_orthic_luvisol_texture_organic_matter | Estimate saturated conductivity for Orthic Luvisol from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_puckett | Evaluate the Puckett et al. saturated-conductivity PTF. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_ranker_sand | Estimate saturated conductivity for Ranker from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_ranker_texture_organic_matter | Estimate saturated conductivity for Ranker from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_rendzina_sand | Estimate saturated conductivity for Rendzina from sand content. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_rendzina_texture_organic_matter | Estimate saturated conductivity for Rendzina from texture and organic matter. | ptfkit.ferrerjulia2004 |
ptfkit::ferrerjulia2004::calc_ptf_ferrerjulia2004_saxton | Evaluate the Saxton et al. saturated-conductivity PTF. | ptfkit.ferrerjulia2004 |
ptfkit::hodnett2002::calc_ptf_hodnett2002 | Estimate four van Genuchten water-retention parameters for tropical soils. | ptfkit.hodnett2002 |
ptfkit::jabro1992::calc_ptf_jabro1992 | Estimate saturated hydraulic conductivity from silt, clay, and bulk density. | ptfkit.jabro1992 |
ptfkit::li2007::calc_ptf_li2007 | Estimate van Genuchten parameters and saturated hydraulic conductivity for Fengqiu County soils. | ptfkit.li2007 |
ptfkit::mayr1999::calc_ptf_mayr1999 | Estimate modified Brooks-Corey a, b, and saturated water content from texture, bulk density, and organic carbon. | ptfkit.mayr1999 |
ptfkit::oosterveld1980::calc_ptf_oosterveld1980_available_water | Estimate available gravimetric soil moisture between field capacity and wilting point. | ptfkit.oosterveld1980 |
ptfkit::oosterveld1980::calc_ptf_oosterveld1980_field_capacity | Estimate gravimetric soil-moisture content at field capacity. | ptfkit.oosterveld1980 |
ptfkit::oosterveld1980::calc_ptf_oosterveld1980_field_capacity_tension | Estimate field-capacity tension from clay content. | ptfkit.oosterveld1980 |
ptfkit::oosterveld1980::calc_ptf_oosterveld1980_retention | Estimate gravimetric soil-moisture content from texture, depth, and tension. | ptfkit.oosterveld1980 |
ptfkit::oosterveld1980::calc_ptf_oosterveld1980_wilting_point | Estimate gravimetric soil-moisture content at the 1500 kPa wilting point. | ptfkit.oosterveld1980 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_awc | Estimate available water capacity from clay and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_awc_coarse_sand | Estimate available water capacity from coarse sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_awc_fine_sand | Estimate available water capacity from fine sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_awc_sand_organic_matter | Estimate available water capacity from sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_awc_very_fine_sand | Estimate available water capacity from very fine sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_eawc | Estimate extended available water capacity from silt, clay, and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_eawc_coarse_sand_organic_matter | Estimate extended available water capacity from coarse sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_eawc_fine_sand_organic_matter | Estimate extended available water capacity from fine sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_eawc_sand | Estimate extended available water capacity from sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_eawc_sand_organic_matter | Estimate extended available water capacity from sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_fc | Estimate gravimetric field capacity from silt, clay, and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_fc_sand | Estimate gravimetric field capacity from sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_fc_sand_organic_matter | Estimate gravimetric field capacity from sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_fc_vol_sand_organic_matter | Estimate volumetric field capacity from sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_pwp | Estimate permanent wilting point from silt, clay, and organic matter. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_pwp_sand | Estimate permanent wilting point from sand. | ptfkit.pidgeon1972 |
ptfkit::pidgeon1972::calc_ptf_pidgeon1972_pwp_sand_organic_matter | Estimate permanent wilting point from sand and organic matter. | ptfkit.pidgeon1972 |
ptfkit::puckett1985::calc_ptf_puckett1985 | Estimate a point water-retention curve and saturated hydraulic conductivity. | ptfkit.puckett1985 |
ptfkit::rawls1982::calc_ptf_rawls1982_full_wrc | Estimate a twelve-point water-retention curve using theta_33 and theta_1500. | ptfkit.rawls1982 |
ptfkit::rawls1982::calc_ptf_rawls1982_theta_33 | Estimate volumetric water content at -33 kPa using measured or estimated theta_1500. | ptfkit.rawls1982 |
ptfkit::rawls1982::calc_ptf_rawls1982_theta_1500 | Estimate volumetric water content at -1500 kPa. | ptfkit.rawls1982 |
ptfkit::saxton2006::calc_ptf_saxton2006 | Estimate soil water characteristics from sand, clay, and organic matter. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_conductivity | Estimate unsaturated hydraulic conductivity from water content. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_density | Adjust Saxton and Rawls water characteristics for soil density. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_gravel | Adjust matric-soil properties for gravel content. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_salinity | Estimate saturated and moisture-adjusted osmotic potential. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_tension_dry | Estimate matric tension in the 1500 to 33 kPa segment. | ptfkit.saxton2006 |
ptfkit::saxton2006::calc_ptf_saxton2006_tension_wet | Estimate matric tension in the 33 kPa to air-entry segment. | ptfkit.saxton2006 |
ptfkit::tiwary2014::calc_ptf_tiwary2014_bsr | Estimate water retention and saturated conductivity for the black soil region. | ptfkit.tiwary2014 |
ptfkit::tiwary2014::calc_ptf_tiwary2014_igp | Estimate saturated conductivity for Indo-Gangetic Plains soils. | ptfkit.tiwary2014 |
ptfkit::varallyai1982::calc_ptf_varallyai1982_chernozem_a | Estimate equation (9) water-retention parameters for chernozem A horizons. | ptfkit.varallyai1982 |
ptfkit::varallyai1982::calc_ptf_varallyai1982_chernozem_b | Estimate equation (9) water-retention parameters for chernozem B horizons. | ptfkit.varallyai1982 |
ptfkit::varallyai1982::calc_ptf_varallyai1982_chernozem_c | Estimate equation (9) water-retention parameters for chernozem C horizons. | ptfkit.varallyai1982 |
ptfkit::varallyai1982::calc_ptf_varallyai1982_meadow | Estimate equation (9) water-retention parameters for meadow-series soils. | ptfkit.varallyai1982 |
ptfkit::vereecken1989::calc_ptf_vereecken1989 | Estimate four parameters of the reduced van Genuchten moisture-retention model from broad texture fractions, bulk density, and carbon content. | ptfkit.vereecken1989 |
ptfkit::vereecken1989::calc_ptf_vereecken1989_detailed | Estimate van Genuchten parameters from nine particle-size fractions and particle-size distribution descriptors. | ptfkit.vereecken1989 |
ptfkit::wang2012::calc_ptf_wang2012 | Estimate saturated water content, field capacity, and saturated conductivity. | ptfkit.wang2012 |
ptfkit::weber2020::calc_ptf_weber2020 | Convert VGM parameters to Brunswick-VGM parameters. | ptfkit.weber2020 |