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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Individual crop has its minimum, optimum, and maximum temperature for growth and development is called as: (RJ AAO 2015)

    Question: Individual crop has its minimum, optimum, and maximum temperature for growth and development is called as: (RJ AAO 2015)

    Options:

    Temperature gradient
    Required temperatures
    Cardinal temperatures
    Diurnal variation in temperatures

    ✅Explanation:
    Cardinal temperatures refer to the three key temperature points that affect plant growth: minimum, optimum, and maximum temperatures. These temperatures are critical for understanding the thermal conditions that allow a plant to germinate, grow, and thrive.
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