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The catastrophe further developed into a fire at the storehouses of NPK 11-11-11 (nitrophoska : nitrogen + phosphate + kalium ) and other fertilizers polluting the atmosphere with products of their decomposition: nitrous oxide, chlorine gas, etc. The toxic cloud moved towards Ukmergė, Širvintos, Kėdainiai.
Fertilizers are usually labeled with three numbers, as in 18-20-10, indicating the relative content of the primary macronutrients nitrogen (N), phosphorus (P), and potassium (K), respectively. More precisely, the first number ("N value") is the percentage of elemental nitrogen by weight in the fertilizer; that is, the mass fraction of nitrogen ...
The term "calcium ammonium nitrate" is applied to multiple different, but closely related formulations. One variety of calcium ammonium nitrate is made by adding powdered limestone to ammonium nitrate; [1] [2] another, fully water-soluble version, is a mixture of calcium nitrate and ammonium nitrate, which crystallizes as a hydrated double salt: [3] 5Ca(NO 3) 2 •NH 4 NO 3 •10H 2 O.
Another aspect was the fact that Malaysia and Indonesia had been strongly relying on oil palms since the 1960s and the company was able to offer special fertilisers for these palms, especially Nitrophoska. [55] The company's long-standing cooperation with the FELDA (1980–2009) also boosted its status and reputation in Malaysia. [56]
Fertilizer sprayer Drone crop fertilizer Applying superphosphate fertilizer by hand, New Zealand, 1938. Fertilizers are commonly used for growing all crops, with application rates depending on the soil fertility, usually as measured by a soil test and according to the particular crop. Legumes, for example, fix nitrogen from the atmosphere and ...
Superphosphate is a chemical fertiliser first synthesised in the 1840s by reacting bones with sulfuric acid. The process was subsequently improved by reacting phosphate coprolites with sulfuric acid. Subsequently, other phosphate-rich deposits such as phosphorite were discovered and used. Soluble phosphate is an essential nutrient for all ...