| calculate_Napercent | Calculate Na percent |
| calculate_PI | Calculate PI |
| calculate_sar | Calculate SAR |
| calculate_tc | Calculate Total Concentration (tc) |
| CC | Color palette for Wilcox diagram |
| irrigationALL | Irrigation Water Quality Index Calculations |
| KR | Kelly Ratio (KR) Calculation |
| MAR | Magnesium Adsorption Ratio (MAR) Calculation |
| NaPercentage | Sodium Percentage (NaPercentage) Calculation |
| PI | Permeability Index (PI) Calculation |
| plot_DoneenH | Plot Doneen diagram (High permeability) for all rows |
| plot_DoneenL | Plot Doneen diagram (Low permeability) for all rows |
| plot_DoneenM | Plot Doneen diagram (Low permeability) for all rows |
| plot_Riverside | Plot Riverside diagram for all rows |
| plot_USSL | Plot USSL diagram for all rows |
| plot_Wilcox | Plot Wilcox diagram for all rows |
| PS | Potential Salinity (PS) Calculation |
| RSBC | Residual Sodium Bicarbonate (RSBC) Calculation |
| RSC | Residual Sodium Carbonate (RSC) Calculation |
| SAR | Sodium Adsorption Ratio (SAR) Calculation |
| SCAR | Sodium Adsorption Ratio (SCAR) Calculation |