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.
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.