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Q100
(IAS/1995)
Economy › Agriculture & Rural Economy › Fertilizers and soil nutrients
Answer Verified
Which one of the following is a mixed fertilizer ?
Result
Your answer:
—
·
Correct:
D
Explanation
NPK is the mixed (compound) fertilizer. Mixed or compound fertilizers contain two or more primary nutrients (N, P, K); NPK formulations supply nitrogen, phosphorus and potassium together in set ratios to meet crop and soil needs. Straight fertilizers such as urea supply mainly one nutrient (nitrogen) and ammonium sulphate is primarily a nitrogen source with sulfur, whereas NPK provides a multi-nutrient blend suited for balanced fertilization. Texts list complex/mixed fertilizers alongside urea, DAP and MOP and note the N:P:K ratio concept, confirming that NPK is a multi-nutrient (mixed/compound) fertilizer [1].
Sources
- [1] Indian Economy, Vivek Singh (7th ed. 2023-24) > Chapter 9: Subsidies > 9.4 Fertilizer Subsidies > p. 287
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