Balanced Use of Fertilizers: A Key Enabler of Sustainable Farming

1. At a Glance

2. Why in the News

3. Background & Evolution

4. Core Static Facts

5. Multi-Dimensional Analysis

Economic - Imbalanced urea use drives huge subsidy bill; NBS aims to rationalise without spiking farm-gate prices [S3][S4]. - Nano urea (500 ml bottle ≈ 45 kg conventional urea-equivalent) cuts import dependence and logistics cost [S1].

Environmental - Excess N → soil acidification, nitrate leaching, eutrophication, N₂O emissions (greenhouse gas) [S1]. - Regenerative agriculture (cover crops, residue retention) raises soil organic carbon and nutrient-use efficiency (NUE) [S1].

Scientific/Technological - Customised fertilizers = site-specific N-P-K-S-micronutrient blends based on soil test data [S1]. - Nano fertilizers deliver nutrients at nanoscale, raising NUE from ~30 % (urea) toward higher absorption [S1].

Administrative / Federalism - Agriculture is a State subject; fertilizer pricing/subsidy is Union — PM-PRANAM uses fiscal carrots to nudge States [S2]. - SHC implementation through State agriculture departments and KVKs [S1].

Social - Small/marginal farmers disproportionately affected by soil micronutrient deficiency (Zn, B) lowering yields [S1].

6. Recent Developments (last 12-18 months)

7. Prelims Hooks

8. Mains Relevance

9. Related Topics to Study Next

10. Common Errors / Trap Areas

11. Sources