Zawartosc metali ciezkich w nawozach mineralnych i wapnie odpadowym.
1992
Jarosz W. | Nowinska Z.
Contents of heavy metals in nitrogen fertilizers originated from pure chemical synthesis is very low and it is insignificant in the pollution balance of soils and plants. Much more amounts of heavy metals are in phosphoric fertilizers produced on the basis of phosphorite, which content some amounts of lead, cadmium and fluor compounds. However, calcium and calcium-magnese fertilizers created the most potential threat.
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