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Ammonium Nitrate

Why Use Ammonium Nitrate?

Ammonium nitrate was the first solid nitrogen (N) fertilizer produced on a large scale, but its popularity has declined in recent years. It's been a common N source because it contains both nitrate and ammonium, and it has a relatively high nutrient content.

High Nitrogen Content

Ammonium nitrate is valued for its high nitrogen content, with approximately 34% nitrogen by weight. Nitrogen is a fundamental nutrient essential for plant growth and development. It plays a crucial role in the formation of proteins, enzymes, chlorophyll, and DNA. The high nitrogen concentration in ammonium nitrate makes it an efficient source of this vital nutrient for promoting healthy plant growth and improving crop yields.

Quick Nutrient Availability

Ammonium nitrate provides a rapidly available source of nitrogen to plants. The compound dissolves easily in water, and the ammonium form of nitrogen it contains can be readily absorbed by plant roots. This quick availability is particularly beneficial during critical growth stages when plants have a heightened demand for nitrogen. It allows for a rapid response to nutrient deficiencies and supports the development of lush foliage and robust vegetative growth.

pH Regulation and Soil Acidification

Ammonium nitrate contributes to soil acidification, as the nitrogen in this fertilizer is in the ammonium form. In soils with elevated pH (alkaline soils), the acidifying effect of ammonium nitrate helps create a more favorable pH range for nutrient availability. This can enhance the uptake of essential nutrients by plant roots. The ability to influence soil pH makes ammonium nitrate a valuable tool for managing soil conditions and optimizing nutrient utilization in certain agricultural settings.
Specifications PPAN CPAN Coated-CPAN
NH2NO3 concentration (%) 99.5 min
Bulk Density(g/cm3) 0.73+0.83 0.8+0.9 0.8+0.9
Oil Absorption (wt%) ≥ 8% - -
Size Distribution (wt%) (1.0 - 2.0 mm) ≥ 95%
Moisture % ≤ 0.2% ≤ 0.5% ≤ 0.5%
Residue indissoluble in H20 % ≤ 0.15% (% mass)
PH (10% solution) 4.5+ 5.5 4.5+ 5.9 4.5+ 5.9
Crushing strength (g/mm') 96 + 153 g/mm2 - -