ptfkit.ferrerjulia2004

def calc_ptf_ferrerjulia2004_calcaric_fluvisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcaric Fluvisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcaric Fluvisol.
        Table 3; R^2 = 0.772.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcaric_fluvisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcaric_fluvisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcaric Fluvisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcaric Fluvisol.
        Table 3; R^2 = 0.792.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcaric_fluvisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcaric_regosol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcaric Regosol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcaric Regosol.
        Table 3; R^2 = 0.655.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcaric_regosol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcaric_regosol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcaric Regosol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcaric Regosol.
        Table 3; R^2 = 0.705.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcaric_regosol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcic_cambisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcic Cambisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcic Cambisol.
        Table 3; R^2 = 0.521.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcic_cambisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcic_cambisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcic Cambisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcic Cambisol.
        Table 3; R^2 = 0.468.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcic_cambisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcic_luvisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcic Luvisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcic Luvisol.
        Table 3; R^2 = 0.412.

    Warning:
        The paper reports weak fit and suggests missing clay-mineralogy information.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcic_luvisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_calcic_luvisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Calcic Luvisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Calcic Luvisol.
        Table 3; R^2 = 0.473.

    Warning:
        The paper reports weak fit and suggests missing clay-mineralogy information.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_calcic_luvisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_campbell_shiozawa(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Evaluate the Campbell and Shiozawa saturated-conductivity PTF.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Campbell and Shiozawa (1994)

    Notes:
        Prediction target: Saturated hydraulic conductivity.
        Reproduced in Section 4.2 for comparison with the new Spanish-soil PTFs.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_campbell_shiozawa,
        sand,
        clay,
        out=out,
    )

def calc_ptf_ferrerjulia2004_chromic_luvisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Chromic Luvisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Chromic Luvisol.
        Table 3; R^2 = 0.534.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_chromic_luvisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_chromic_luvisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Chromic Luvisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Chromic Luvisol.
        Table 3; R^2 = 0.557.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_chromic_luvisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_cosby(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Evaluate the Cosby et al. saturated-conductivity PTF.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Cosby et al. (1984)

    Notes:
        Prediction target: Saturated hydraulic conductivity.
        Reproduced in Section 4.2 for comparison with the new Spanish-soil PTFs.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_cosby,
        sand,
        clay,
        out=out,
    )

def calc_ptf_ferrerjulia2004_dane_puckett(
    *,
    clay: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Evaluate the Dane and Puckett saturated-conductivity PTF.

    Arguments:
        clay: Clay content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Dane and Puckett (1994)

    Notes:
        Prediction target: Saturated hydraulic conductivity.
        Reproduced in Section 4.2 for comparison with the new Spanish-soil PTFs.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_dane_puckett,
        clay,
        out=out,
    )

def calc_ptf_ferrerjulia2004_dystric_cambisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Dystric Cambisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Dystric Cambisol.
        Table 3; R^2 = 0.750.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_dystric_cambisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_dystric_cambisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Dystric Cambisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Dystric Cambisol.
        Table 3; R^2 = 0.779.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_dystric_cambisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_dystric_regosol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Dystric Regosol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Dystric Regosol.
        Table 3; R^2 = 0.834.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_dystric_regosol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_dystric_regosol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Dystric Regosol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Dystric Regosol.
        Table 3; R^2 = 0.862.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_dystric_regosol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_eutric_cambisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Eutric Cambisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Eutric Cambisol.
        Table 3; R^2 = 0.734.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_eutric_cambisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_eutric_cambisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Eutric Cambisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Eutric Cambisol.
        Table 3; R^2 = 0.686.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_eutric_cambisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_eutric_regosol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Eutric Regosol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Eutric Regosol.
        Table 3; R^2 = 0.824.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_eutric_regosol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_eutric_regosol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Eutric Regosol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Eutric Regosol.
        Table 3; R^2 = 0.702.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_eutric_regosol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_general_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Spanish soils from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for the combined Spanish-soil dataset.
        Section 5.1; 3172 horizons; R^2 = 0.696.

    Warning:
        The paper recommends use when data are statistically similar to its Spanish-soil calibration
            data.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_general_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_general_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Spanish soils from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for the combined Spanish-soil dataset.
        Section 5.1; 3172 horizons; R^2 = 0.715.

    Warning:
        The paper recommends use when data are statistically similar to its Spanish-soil calibration
            data.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_general_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_cambisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Cambisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Cambisol.
        Table 3; R^2 = 0.807.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_cambisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_cambisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Cambisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Cambisol.
        Table 3; R^2 = 0.824.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_cambisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_luvisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Luvisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Luvisol.
        Table 3; R^2 = 0.876.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_luvisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_luvisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Luvisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Luvisol.
        Table 3; R^2 = 0.917.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_luvisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_solonchak_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Solonchak from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Solonchak.
        Table 3 prints R^2 = 0.399; the prose later states 0.435.

    Warning:
        The source gives inconsistent R^2 values for this regression.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_solonchak_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_gleyic_solonchak_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Gleyic Solonchak from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Gleyic Solonchak.
        Table 3; R^2 = 0.682.
        Human review corrected the anomalous printed intercept from -90917 to -0.90917.

    Warning:
        The implementation intentionally differs from the original published Table 3
        which prints the intercept as -90917.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_gleyic_solonchak_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )

def calc_ptf_ferrerjulia2004_humic_acrisol_sand(
    *,
    sand: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Humic Acrisol from sand content.

    Arguments:
        sand: Sand content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Exponential one-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Humic Acrisol.
        Table 3; R^2 = 0.723.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_humic_acrisol_sand,
        sand,
        out=out,
    )

def calc_ptf_ferrerjulia2004_humic_acrisol_texture_organic_matter(
    *,
    sand: float | ArrayLike,
    clay: float | ArrayLike,
    organic_matter: float | ArrayLike,
    out: NDArray[floating] | None = None,
) -> floating | NDArray[floating]:
    """Estimate saturated conductivity for Humic Acrisol from texture and organic matter.

    Arguments:
        sand: Sand content by percentage. (%)
        clay: Clay content by percentage. (%)
        organic_matter: Organic matter content by percentage. (%)
        out: Optional output arrays for in-place calculation.

    Returns:
        k_sat: Estimated saturated hydraulic conductivity. (mm/h)

    Models:
        $k(h)$: Linear three-variable regression

    Notes:
        Prediction target: Saturated hydraulic conductivity for FAO 1974 Humic Acrisol.
        Table 3; R^2 = 0.701.

    """
    return _call(
        _calc_ptf_ferrerjulia2004_humic_acrisol_texture_organic_matter,
        sand,
        clay,
        organic_matter,
        out=out,
    )