Nutrient Source Specifics
Looking for brief information about the production, agricultural use, management practices, and chemical properties of common fertilizer materials? Nutrient Source Specifics are one-page fact sheets highlighting various fertilizers and nutrient sources. Written by IPNI scientific staff, these items are primarily for educational use by a non-technical audience. Consult with a local expert regarding specific recommendations on nutrient use. This series is also available in Chinese, French, Russian, and Spanish.
Ammonia
NSS-10 Ammonia -This product is the starting point for most of the N fertilizer industry. It can be used directly or converted into a variety of common fertilizers. Special safety and management practices are required.
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Ammonium Nitrate
NSS-22 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 has been a common N source because it contains both nitrate and ammonium and it has a relatively high nutrient content.
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Ammonium Sulfate
NSS-12 Ammonium Sulfate - Ammonium sulfate (NH4)2 SO4 was one of the first and most widely used nitrogen (N) fertilizers for crop production. It is now less commonly used, but especially valuable where both N and sulfur (S) are required. Its high solubility provides versatility for a number of agricultural applications.
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