Climate response and phenology Heliothermal unit (HTU) Calculator point May 5, 2026 (Last updated: July 23, 2026) 0 comments Heliothermal Units (HTU) HTU = GDD × Sunshine Hours Maximum Temperature (°C) Minimum Temperature (°C) Base Temperature (°C) Sunshine Hours (hours) Calculate Post navigation Previous: Photothermal unit (PTU)Next: Phenothermal index (PTI) Leave a Reply Cancel replyYour email address will not be published.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 Climate response and phenology Thermal time requirement Calculator point May 5, 2026 0 Climate response and phenology Climate productivity index Calculator point May 5, 2026 0 Climate response and phenology Crop Coefficient (Kc) Calculator Calculator point May 5, 2026 0
