What are Fertilizers? Fertilizers are substances a...

What are Fertilizers? Fertilizers are substances added to soil or plants to provide essential nutrients that help crops grow better and yield more. 🧪 Main Nutrients in Fertilizers Nitrogen (N) – Promotes leafy and vegetative growth. Phosphorus (P) – Helps in root development and flower/fruit production. Potassium (K) – Improves disease resistance and overall plant health. These are known as NPK nutrients. 🌿 Types of Fertilizers 1. Chemical (Inorganic) Fertilizers Made synthetically or mined from minerals. Examples: Urea (46% N) DAP (Diammonium Phosphate – 18% N, 46% P) MOP (Muriate of Potash – 60% K) How to use: Usually mixed in soil before or during planting; can also be used as top dressing during crop growth. 2. Organic Fertilizers Made from natural sources like compost, animal manure, or plant residues. Examples: Cow dung, green manure, vermicompost How to use: Apply before planting or as mulch around growing plants. 3. Biofertilizers Contain living organisms that enhance soil fertility by fixing nitrogen or decomposing organic matter. Examples: Rhizobium (for legumes), Azotobacter, Mycorrhiza How to use: Mix with seeds before sowing or apply in soil. 4. Slow-Release or Controlled-Release Fertilizers Release nutrients gradually over time. Examples: Coated urea, polymer-based granules How to use: Apply directly to soil, especially in high-value crops. ✅ Benefits of Using Fertilizers Improved crop yield and quality Faster plant growth Corrects nutrient deficiencies in soil Supports sustainable farming when used properly ⚠️ Things to Remember Use the right type of fertilizer for your crop and soil. Avoid overuse – too much fertilizer can harm plants and pollute water. Do soil testing to know exact nutrient needs. Combine organic + inorganic for best long-term results.