2
What are the driving variables governs the phenology of crop
(A) . Temperature
(B) . Nutrient
(C) . Water
(D) . Photo-period
Choose the correct answer from the options given below:
EXPLANATION
Numerical Modeling of Porous Media Transport
- Driving Variables Governing Crop Phenology:
- Plant developmental progress from germination to flowering and physiological maturity is driven externally by environmental cues:
- Temperature (A): Determines thermal time accumulation (Growing Degree Days).
- Photoperiod (D): Daylength regulation in short-day and long-day sensitive crops.
- Conclusion: Temperature and photoperiod (A and D only) govern phenology. (Correct answer: Option 3)
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