Plant Nutrition — Mains Questions

Discuss the significance of essential plant nutrients for agricultural productivity and food security in India. How do government initiatives like the Soil Health Card Scheme address the challenges of nutrient management?

Examine the role of biological nitrogen fixation and mycorrhizal associations in promoting sustainable agriculture. What are the advantages and limitations of relying on these natural processes?

In the context of modern agricultural practices, critically evaluate the potential of hydroponics and biofortification in addressing challenges related to food production and malnutrition. What are the associated opportunities and constraints for India?