Is Fertilizer Flammable? 

This article will answer the question, is fertilizer flammable? It also covers several topics about what fertilizer is, the types of fertilizer, the advantages of using fertilizer, and the disadvantages.

Is Fertilizer Flammable?

The majority of fertilizers aren’t flammable. However, there are wide varieties, and some fertilizers, such as ammonia compounds, are volatile.

What is Fertilizer?

Fertilizer is a natural or manufactured material that is utilized as an additive nutrient to increase crop growth and productivity.

Fertilizer relies on three primary elements: nitrogen (N), phosphorus (P), and potassium (K), and also enriched with other micronutrients. 

Farmers use various methods to apply fertilizers, including pelletized, dry, heavy agricultural equipment, and also liquid application processes.

What are the Types of Fertilizers?

The types of fertilizers are:

Potassium Fertilizer

Muriate of potash is the most common potassium fertilizer used in agriculture (potassium chloride). It usually includes 60% K2O.

It is the most frequent source of potash for farm usage and the principal potash constituent in potassium-containing compound fertilizers.

Phosphorus Fertilizer

Phosphorus levels in the soil are depleted for various reasons. As a result, modern agriculture is reliant on phosphorus-based fertilizers. Monoammonium Phosphate (MAP), Diammonium Phosphate (DAP), SSP, and NPKs are the most regularly utilized phosphatic fertilizers.

Ca-Mg-S Fertilizer

Secondary plant nutrients such as magnesium (Mg), calcium (Ca), and sulfur (S) are necessary. They are frequently used alongside the significant nutrients N, P, and K rather than as stand-alone fertilizers.

Straight N fertilizers, such as ammonium nitrate or urea, frequently contain sulfur. Single superphosphate (SSP), potassium sulfate (SOP), and potassium magnesium sulfate (Kainite) are other sulfur sources, with the last also containing magnesium.

Calcium is mainly used as gypsum (calcium sulfate), lime/dolomite (calcium carbonate), or calcium nitrate. Calcium nitrate being the only commonly available calcium source in plants.

Micronutrients Fertilizer

Micronutrients are fertilizers needed in tiny amounts yet essential for plant growth and development processes such as protein synthesis, flowering, and fruiting, among others. 

Micronutrient depletion can significantly impact the crop, so it’s critical to feed the soil with micronutrients that replace the nutritional content.

What are the Advantages of Using Fertilizer?

  • Plants quickly absorb fertilizers. They restore soil fertility and provide plant nutrients rapidly.
  • Boost and raise the crop yield.
  • They are easily transportable and portable.
  • We can choose a specific fertilizer as a particular nutrient for crops.

What are the Disadvantages of Using a Fertilizer?

The following are some of the drawbacks of fertilizers:

  • Fertilizer leaching has the potential to cause eutrophication.
  • Fertilizers contain substances that are harmful to the skin and respiratory system.
  • They are expensive.
  • Excess fertilizer use is bad for plants and lowers soil fertility.
  • Long-term use lowers microbial activity in the soil and causes pH swings.

What impact does fertilizer have on the environment?

  • The amount of plants and algae in a lake, pond or other body of water grows as the supply of nutrients, particularly N and P, increases.
  • The amount of dissolved oxygen in a water body decreases as bacteria reproduce and develop.
  • Ammonia toxicity may result in changes in species diversity in manure-contaminated surface water.
  • Manure odors can affect neighbors and communities.

See the NDSU publication about the impact of excessive fertilizer on water quality here. 


The majority of fertilizers are non-flammable. However, certain types of fertilizers are flammable, such as ammonium-based fertilizers. Fertilizers are used in agriculture to increase crop production. The use of fertilizers still has some impacts on the environment.

Frequently Asked Question (FAQs): Is Fertilizer Flammable?

What are the Grades of Fertilizer?

Commonly, there are three numbers on fertilizers that represent the primary nutrients. Ten percent nitrogen, ten percent phosphorus, and ten percent potassium are contained in a bag of fertilizer labeled 10-10-10. This label is known as the fertilizer grade and is a national standard.

What are the main categories of fertilizers?

Fertilizers come in a variety of forms, including:

  • Inorganic fertilizer, for example nitrogen fertilizer and phosphorus fertilizer.
  • Organic fertilizers, which include agricultural waste, livestock manure, and municipal sludge.


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