2 sentences for 水土 (shuǐ​tǔ — soil and water)

1. 树木能防止水土流失。

   shù​mù néng fáng​zhǐ shuǐ​tǔ liú​shī.

   Trees prevent soil erosion.

   Source: OpenSubtitles

2. 森林的破坏导致了严重的水土流失。

   sēn​lín de pò​huài dǎo​zhì le yán​zhòng de shuǐ​tǔ liú​shī.

   The destruction of forests has led to severe soil erosion.

   Source: Dong Chinese Dictionary