需要开展定期监测，必要应再次辅以人工帮助(如添加石灰石或有机物)，为防

Regular monitoring is needed, and manual assistance (such as adding limestone or organic matter) should be supplemented again if necessary, in order to prevent the rebuilt vegetation from degrading or even disappearing due to acidification.

Regular monitoring is required, supplemented by artificial assistance (e.g. addition of limestone or organic matter) to prevent the re-degradation or even disappearance of rebuilt vegetation due to acidification.

Regular monitoring needs to be carried out, and artificial assistance (such as adding limestone or organic matter) should be supplemented again if necessary, so as to prevent the re degradation or even disappearance of the reconstructed vegetation due to acidification.<br>