Atmospheric Temperature & GDD | Weather and Climate L-3 | Rajasthan JET 2027

Learn Atmospheric Temperature and its effects on crop growth in Lecture 3 of Weather and Climate for Rajasthan JET 2027. This lecture explains how air temperature changes during the day, how it is measured correctly and how high or low temperatures influence crop development and yield. Topics covered: • Meaning of atmospheric temperature • How the atmosphere receives heat • Daily temperature cycle • Why maximum temperature occurs after noon • Correct measurement of air temperature • Stevenson screen and its importance • Minimum, optimum and maximum cardinal temperatures • Temperature requirements of cool-season and warm-season crops • Growing Degree Days (GDD) formula and calculation • Effect of temperature on seed germination and crop growth • Flowering, pollination and grain filling • Effects on crop maturity, yield and produce quality • Heat stress, chilling injury and frost injury • Management of temperature-related risks • Rajasthan JET-oriented exam practice 📚 Chapter: Weather and Climate 🎥 Lecture: 3 🌡️ Topic: Atmospheric Temperature and Growing Degree Days 🎯 Course: Rajasthan JET Foundation 2027 GDD Formula: GDD = [(Tmax + Tmin) ÷ 2] − Tbase Watch the previous lectures to understand solar radiation, light intensity and photoperiodism before continuing with this topic. Subscribe to AgriNova Learning for: • Rajasthan JET Foundation • Class 11 and Class 12 Question Banks • Rajasthan CET MCQ Series • Agriculture Supervisor Course • Agriculture, Biology and Chemistry lectures #AtmosphericTemperature #GrowingDegreeDays #WeatherAndClimate #RajasthanJET2027 #JETAgriculture #AgriculturalMeteorology #Class11Agriculture #AgriNovaLearning