Kushandiswa kweferrous sulfate

Minda ipi inonyanya kushandiswa mukurima? Ferrous sulphate mono neferrous sulphate heptahydrate zvinogona kushandiswa sefetereza kana semushonga wezvipembenene. Semushonga wezvipembenene, zvinogona kudzivirira nekudzora zvirwere, zvakaita segorosi...