Irrigation and Water Management Crop Water Requirement (ETc) Calculator point February 22, 2026 (Last updated: March 17, 2026) 0 comments 🌱 Crop Water Requirement (ETc) What is Crop Water Requirement? Crop Water Requirement (ETc) is the total amount of water needed by a crop for evapotranspiration during its growth period. It depends on climate and crop type. Formula Used ETc = ET0 × Kc Where: • ET0 = Reference evapotranspiration (mm) • Kc = Crop coefficient (dimensionless) Enter Required Data Reference Evapotranspiration, ET0 (mm) Crop Coefficient, Kc Calculate ETc Important Notes: • Kc varies with crop growth stages • ET0 is obtained from weather data or pan evaporation • ETc is used for irrigation scheduling Post navigation Previous: Reference Evapotranspiration (ET₀)Next: Irrigation Water Requirement Calculator Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Related Stories Irrigation and Water Management Tank Refill Time Calculator Calculator point February 22, 2026 0 Irrigation and Water Management Drip Irrigation Rate Calculator Calculator point February 22, 2026 0 Irrigation and Water Management Irrigation Water Requirement Calculator Calculator point February 22, 2026 0
