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 TERMINÉ 
Background Agriculture based on the use of fertilisers accounts for 40-60% of the world’s food supply. The main nutrients – nitrogen (N), phosphorus (P) and potassium (K) – are elements that occur naturally in the environment but are removed with the harvesting of crops. Fertilisers replenish the soils with N, P, K and other nutrients, thereby helpi ...
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 TERMINÉ 
The European consumption of plastics increased from 24,6 Mtons in 1993 to 39,7 Mtons in 2003 and its growth rate exceeds that of the economy as a whole. At the same time, polymer recyclers and manufacturing industries have a problem buying feed materials and secondary polymers of sufficient volume and quality, as a result of the pull of China and India on all raw material resources. The alternativ ...
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