· The neutralizing value (NV) of a liming material refers to its ability to neutralize soil acidity.
· Among the options:
· CaO (Quick lime) has the highest neutralizing value (~179% NV).
· CaCO₃ (Limestone) has ~100% NV.
· CaMg(CO₃)₂ (Dolomite) has ~109% NV.
· CaSiO₂ (Calcium silicate) is lower.
· CaO is more reactive and fast-acting, making it the most potent liming agent.
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