Question:
Which of the nutrient element is luxury consumption?
Which of the nutrient element is luxury consumption?
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Associate "luxury consumption" directly with "Potassium (K)" in soil fertility and plant nutrition exams.
It is one of the most frequently asked, unique nutrient absorption characteristics.
It is one of the most frequently asked, unique nutrient absorption characteristics.
Updated On: Jul 31, 2026
- Nitrogen
- Potassium
- Calcium
- Sulphur
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
"Luxury consumption" is a physiological phenomenon in crop nutrition where plants absorb a nutrient in quantities far exceeding their immediate metabolic requirements when the nutrient is highly available in the soil.
This excess absorption does not lead to any corresponding increase in crop yield or dry matter production.
Step 2: Detailed Explanation:
Potassium (\(\text{K}\)) is the classic example of an element associated with luxury consumption.
When potassium is abundant in the soil solution, plants absorb it rapidly and accumulate it in their cellular vacuoles.
This accumulated potassium does not directly stimulate additional growth or yield once the plant's basic metabolic requirements are met.
However, this luxury accumulation can serve as a physiological reserve, helping the plant tolerate abiotic stresses such as drought, frost, and salinity, as well as biotic stresses like pests and diseases.
In contrast, nutrients like Nitrogen (\(\text{N}\)) or Phosphorus (\(\text{P}\)) do not exhibit luxury consumption to the same extent.
Excess nitrogen absorption leads to rapid, excessive vegetative growth, succulence, lodging, and delayed maturity, rather than luxury storage without growth changes.
Step 3: Final Answer:
Potassium is the nutrient element associated with luxury consumption.
"Luxury consumption" is a physiological phenomenon in crop nutrition where plants absorb a nutrient in quantities far exceeding their immediate metabolic requirements when the nutrient is highly available in the soil.
This excess absorption does not lead to any corresponding increase in crop yield or dry matter production.
Step 2: Detailed Explanation:
Potassium (\(\text{K}\)) is the classic example of an element associated with luxury consumption.
When potassium is abundant in the soil solution, plants absorb it rapidly and accumulate it in their cellular vacuoles.
This accumulated potassium does not directly stimulate additional growth or yield once the plant's basic metabolic requirements are met.
However, this luxury accumulation can serve as a physiological reserve, helping the plant tolerate abiotic stresses such as drought, frost, and salinity, as well as biotic stresses like pests and diseases.
In contrast, nutrients like Nitrogen (\(\text{N}\)) or Phosphorus (\(\text{P}\)) do not exhibit luxury consumption to the same extent.
Excess nitrogen absorption leads to rapid, excessive vegetative growth, succulence, lodging, and delayed maturity, rather than luxury storage without growth changes.
Step 3: Final Answer:
Potassium is the nutrient element associated with luxury consumption.
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