But singling out the role of acidification will be hard. 但是单独分离出酸化的作用将是非常困难的。
However, their effects are probably accentuated by climatic factors, such as drought and hard winters, or soil imbalances such as soil acidification, which damages the roots. 然而,它们的影响可能因气候因素而加剧,如干旱和严冬,或因土壤酸化等土壤不平衡而损害到根系。