It can take 500 years for 2.5cm of soil to form, but only a few years to destroy it.


key words

                   soil          overgrazing           ploughing           soil exhaustion          furrow          gully



  1. Add title, date and aim to your notes. Underline with a ruler.
  2. Read pp 20-21
  3. Copy the 'summary' into your notes
  4. Answer questions 1, 2, 3, 4