| 摘要 |
Finely powdered preservative, added to silo charge, e.g. maize or green fodder, in 2-3 wt.% concn., pref. contains by wt. 60-90% Ca formate, 0.6-1% Ca propionate, 0.2-0.5% Ca acetate, 6-15% primary Ca phosphate (pH 3.5-4), 2-30% crystallised Mg sulphate or 0.5-10% calcined MgO, 0-1% FeSO4.H2O, 0.02-0.25% CuSO4.H2O, 0.01-1.5% ZnSO4.H2O, 0.03-1% MnSO4.H2O, 0.005-0.015% CoSO4.H2O and opt. 2% NaCl. Urea-phosphate may replace Ca phosphate, at least in part. |
