Subject: Agriculture Context: Punjab, Haryana and Uttar Pradesh soils are degraded and depleted because ‘organic matter’ is quite below (0.5-0.2 per cent). Concept: Organic matter is the very foundation of good soil health. It consists of plants, animal material which gets converted into humus after decomposing. It improves soil quality and fertility. It supplies nutrients, increases water-holding capacity, prevents soil erosion. Supplication of organic matter into […]