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The use of artificial and industrially-applied fertilizers has caused environmental consequences such as water pollution and eutrophication due to nutritional runoff; carbon and other emissions from fertilizer production and mining; and contamination and pollution of soil.
Artificial fertilizer usage such as in slurry is manufactured to have high nutrient contents. This includes nitrogen based compounds like ammonium (NH 4 + ) which, similar to manure, is released as ammonia through volatilization (into the atmosphere or in runoff).
Nitrogen and potassium are also needed in substantial amounts. For this reason these three elements are always identified on a commercial fertilizer analysis. For example, a 10-10-15 fertilizer has 10 percent nitrogen, 10 percent available phosphorus (P 2 O 5) and 15 percent water-soluble potassium (K 2 O). Sulfur is the fourth element that may ...
The soil health summit by the African Union — which in 2006 recommended that members use more chemical fertilizers — adopted a 10-year plan that calls for increased investment to produce both ...
NO 3 − may also be denitrified by bacteria, producing N 2, NO x, and N 2 O. Estimated nitrogen surplus (the difference between inorganic and organic fertilizer application, atmospheric deposition, fixation and uptake by crops) for the year 2005 across Europe. Human impact on the nitrogen cycle is diverse.
The effect of pesticides on soil microorganisms is impacted by the persistence, concentration, and toxicity of the applied pesticide, in addition to various environmental factors. [70] This complex interaction of factors makes it difficult to draw definitive conclusions about the interaction of pesticides with the soil ecosystem .
Soil amendments such as chemical fertilizers can cause soil acidification. Sulfur based fertilizers can be highly acidifying, examples include elemental sulfur and iron sulfate while others like potassium sulfate have no significant effect on soil pH. While most nitrogen fertilizers have an acidifying effect, ammonium-based nitrogen fertilizers ...
Both the natural gas and the fertilizer industries have seen major explosions in the past year, and unfortunately they weren't the kind hoped for by investors. The Canadian pipeline explosion that ...
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