C - Chemistry – Metallurgy – 05 – D
Patent
C - Chemistry, Metallurgy
05
D
71/38
C05D 11/00 (2006.01) C05D 1/00 (2006.01)
Patent
CA 1046788
ABSTRACT OF THE DISCLOSURE A fertilizer from which potassium is released slowly comprises a frit produced from a potassium/silicon composition in the range K2O.2SiO2 to K2O.4SiO2 and containing from 5.5% to less than 10% by weight of calcium oxide.
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