The natural nitrogen cycle is greatly affected by the excessive use of:
Correct answer: D. Nitrate fertilizers
- A. Sulphate fertilizers
- B. Insecticides
- C. Phosphate fertilizers
- D. Nitrate fertilizers
Explanation
Excess nitrate fertilizer adds large amounts of reactive nitrogen to ecosystems, disturbing natural nitrogen cycling and causing leaching or eutrophication. Phosphate fertilizers mainly disrupt the phosphorus cycle, not the nitrogen cycle.
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Practise Forest Ecology
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