Declining water tables will mean increased pumped irrigation.

地下水减少意味着抽水灌溉增加。

As droughts become more common, they'll need fertilizer, pumped irrigation, desalination.

随着干旱变得越来越普遍，他们将需要化肥、抽水灌溉和海水淡化。

To cope with drought, Africans will need pumped irrigation for their agriculture, and many will need desalination for fresh water.

为了应对干旱， 非洲人的农业需要抽水灌溉，许多人还需要淡化淡水。