Agriculture · Agronomy
In crop physiology, heat stress is generally characterized when ambient temperatures rise to which level?
- 1Exactly to the freezing point of water
- 2Significantly above the optimum temperature range required for normal growth✓
- 3Perfectly within the optimum growing temperature range
- 4Significantly below the minimum threshold temperature
Correct answer
Significantly above the optimum temperature range required for normal growth
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