Phosphoric Acid is a liquid fertilizer providing phosphorus (as H₃PO₄) to correct deficiencies and lower soil pH in alkaline conditions, benefiting crops like citrus, grapes, and vegetables. It supplies readily available phosphorus for root growth and energy transfer, improving yields by 10-15%, while its acidity (pH ~1-2) enhances nutrient availability in calcareous soils. Ideal for fertigation, it mixes with water to adjust pH and deliver phosphorus without clogging. Benefits include stronger roots, better fruit set, and reduced micronutrient lockup.

Apply 0.5-1 liter per acre via drip or 0.1-0.2% foliar solution during growth stages, with careful monitoring to avoid over-acidification. Supports sustainable farming by optimizing soil chemistry.