Input part: Planting area: Soil type: Sweet potato varieties: Planting method: Irrigation system Fertilizer level: Calculation logic: Yield calculation takes into account multiple factors: base yield Γ soil coefficient Γ method coefficient Γ irrigation coefficient Γ fertilizer coefficient Water requirement calculation: Basic water requirement of variety Γ Number of plants per unit area Γ total area Profit calculation: Output Γ unit price - Total cost The planting suggestions are updated dynamically based on the user's selection