Three main nutrients: nitrogen, phosphorus, and potassium for optimal crop growth. Nitrogen is most important primary nutrient, accounting for 57% of total consumption. Yara is global leader in nitrates and NPK production. Ammonia production is most energy-intensive, using 40% more energy than natural gas
Phosphoric acid (H3PO4) is a colorless, odorless inorganic compound. Found as aqueous solution with concentration up to 85%. Melting point is 42.4°C, boiling point 407°C. Molecular weight is 97.99 g/mol
H₂SO₄ is a strong acid made of sulfur, hydrogen, and oxygen atoms. Produced through Contact Process by burning sulfur in air. Forms oleum, which is diluted with water to create sulfuric acid
Appears as clear colorless liquid or transparent crystalline solid. Pure solid melts at 42.35°C with density of 1.834 g/cm³. Usually exists as 85% aqueous solution. Miscible in water and alcohol
Sulphuric acid (H2SO4) is odorless, colorless, extremely corrosive oily liquid. It is a weak acid with high boiling point and poor electrolytes. Soluble in water due to syrupy texture. Reacts with most metals and non-metals when hot
NH4OH is a solution of ammonia in water, denoted by 'NH3 (aq)'. When dissolved in water, it forms ammonium cation (NH4+) and hydroxide ion (OH-). A 1M solution contains 0.42% ammonia conversion to ammonium cation. A saturated solution contains approximately 35.6% ammonia by mass