What are the limitations associated with use of conventional fertilizers? How do emerging fertilizer technologies help in transforming agriculture in India?
Answer: Fertilizers play an important role in improving agricultural yield.
Limitations of Conventional Fertilizers
- Imbalanced fertilization
- Wastage of fertilizers leading to low nutrient efficiency. Eg: conventional urea is effective just for 30-50 per cent in delivering nitrogen to plants
- High logistic cost
- Nutrient run-off from farms adversely affects land and marine ecosystems.
- Agricultural ammonia emissions can combine with pollution from vehicle exhausts leading to respiratory diseases.
- Groundwater contamination
- Overuse of fertilizers hardens soil, decreases fertility and strengthens pesticides
- Diversion of highly subsidized agricultural urea to chemical industries and non-agricultural practices.
Emerging Fertilizer Technologies Transforming Agriculture
1. Neem Coated Urea: Urea which is good Nitrogen source ....
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