| 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 |