With potentialacidity increasing, total organic phosphorus, moderately resistant organic phosphorus, and highly resistant organic phosphorus in larch plantations decreased for all stands.
随着土壤潜性酸度的增加，各年龄阶段森林土壤有机磷总量、中稳性有机磷和高稳性有机磷含量降低。
2
Putting lime into the oceans has the potential to decrease ocean acidity and reduce atmospheric CO2 levels.
向海洋中施石灰能够降低海水的酸性，并减少大气中的二氧化碳水平。
3
Because of the high acidity, low nutrients content, aluminum toxicity and potential heavy metals pollution, oil shale waste slag has negative effects on the normal growth of plants.