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calcPhDelta

@nmi-agro/fdm-source


@nmi-agro/fdm-source / fdm-calculator/src / calcPhDelta

Function: calcPhDelta()

calcPhDelta(params): number | null

Defined in: fdm-calculator/src/bcs/ph-delta.ts:619

Calculates D_PH_DELTA: the difference between the optimal and measured soil pH.

Ports the OBIC calc_ph_delta function from R using embedded lookup tables from Handboek Bodem en Bemesting (tables 5.1, 5.2, 5.3).

Returns null if no matching row is found in the lookup table (e.g. out-of-range inputs).

Source: https://github.com/nmi-agro/Open-Bodem-Index-Calculator/blob/master/R/ph.R

Parameters

params

CalcPhDeltaParams

Returns

number | null