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Natural gas, coal, and petroleum are the three major raw materials for the production of fertilizers. They are usually referred to as gas head, coal head, and oil head.

Urea is the fertilizer with the highest nitrogen content among solid nitrogen fertilizers. It has relatively stable physical and chemical properties and has no effect on soil pr...

Since the 20th century, the production of nitrogen fertilizer has been playing a pivotal role.

Ammonium nitrogen fertilizers include ammonium bicarbonate (NH4HCO3), ammonium sulfate {(NH4)2SO4}, ammonium chloride (NH4Cl), ammonia water (NH3·H2O), liquid ammonia (NH3), etc.

Nitrogen fertilizer refers to a unit fertilizer that uses nitrogen (N) as the main component and has a marked amount of N, which can provide plant nitrogen nutrition when applie...