ToolPebAgriculture & Farming tools
Find calculations and practical tools relevant to agriculture & farming. Check the method, units and limits before using a result.
Plant Population CalculatorEstimate plants per hectare from row and plant spacing.Total Seed RequirementSeed mass from area and seed rateFarm Gross RevenueRevenue from yield and sale priceFarm Net ProfitRevenue less costsIrrigation Water VolumeWater volume from field area and depthCrop water need from ETo and KcETcrop = ETo × KcGross irrigation depthGross depth = net depth / (efficiency/100)Irrigation running durationDuration = volume / flowDrip irrigation total flowFlow = emitters × emitter flow / 1000Soil porosity from densitiesPorosity = (1 − bulk density / particle density) × 100Root-zone water deficitDeficit = max(0, field capacity − current) × depth × 1000Fertilizer product mass from nutrient requirementProduct mass = nutrient required / (content/100)Sprayer application rateApplication = 600 × L/min / (km/h × width)Effective field capacityCapacity = width × speed × efficiency/100 / 10Growing degree days, simple mean methodGDD = max[0, (Tmax + Tmin)/2 − Tbase]Grain mass after moisture adjustmentFinal mass = initial mass × (100 − initial moisture) / (100 − target moisture)Harvest index by dry massHI = economic yield / total biomass × 100Professional Worksheet StudioEditable logs, action plans and cost/ratio worksheets for 48 work areas. Save your own layout and export CSV.