5.3 Soil Degradation and Conservation

Soil develops on land through the relatively slow process of succession and its fertility improves over time until a stable climax community is established. Human activities can reduce soil fertility which is a problem for food production systems though strategies exist to prevent soil degradation and improve soil fertility.


1Soil succession
2Factors reducing soil fertility
3Improving soil fertility
4Evaluating soil management strategies
Chapter Workbook
Vocabulary Sheet

  • Use secondary data to evaluate soil management strategies of a given commercial farming system and of a given subsistence farming system.

Full PSOW here.

Essay Task

“Explain why industrial-scale commercial farming systems tend to reduce soil fertility more than small-scale subsistence farming systems.” [9 marks]

View essay markbands

The essay should marked using the Paper 2, Section B essay markbands.

PDF Version

Google Docs Version

Google Docs 5.3 essay

Open the link and make a copy to your own drive. The doc can easily be shared as an “Assignment” on Google Classroom.

A markbands rubric designed for Google Classroom is available here.