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Archive Boric Acid
Boric Acid in Agriculture
Boric acid (H₃BO₃) is a key source of boron (B) — a micronutrient essential for plant growth. Though required in very small amounts, boron plays a vital role in various plant physiological functions.---✅ Uses of Boric Acid in Agriculture:1. Correcting Boron Deficiency:Used as a boron supplement in soils lacking boron.Improves flowering, fruiting, and root development.Prevents disorders like fruit cracking, hollow stems, and poor seed development. 2. Foliar Spray:0.2% to 0.4% boric acid solution is sprayed on leaves.Especially useful in crops like tomato, mango, cotton, sugar beet, cauliflower, and grapes. 3. Soil Application:Applied at low rates (1–2 kg per acre or 2–5 kg per hectare).Often mixed with compost or fertilizers like DAP or NPK. 4. Seed Treatment:A mild boric acid solution (e.g., 0.1–0.2%) can be used to treat seeds to improve germination and early growth. 5. Pest Control (Minor Use):Has antifungal and insecticidal properties.Sometimes used to control termites or ants around the farm, not directly on plants. ---⚠️ Precautions:Toxic in excess – Overuse can lead to boron toxicity, causing leaf burn, chlorosis, and poor yield.Always test soil before use. Boron requirement depends on soil type and crop.Keep away from drinking water sources. ---Boron Deficiency Symptoms in Plants:Young leaves become thick, brittle, and curled.Hollow stems, poor root growth.Poor fruit set or development.Common in sandy, high rainfall, and alkaline soils.
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