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.
Lessons
| 1 | Soil succession | ||||||
| 2 | Factors reducing soil fertility | ||||||
| 3 | Improving soil fertility | ||||||
| 4 | Evaluating soil management strategies | ||||||
Practicals
- Use secondary data to evaluate soil management strategies of a given commercial farming system and of a given subsistence farming system.
Essay Task
“Explain why industrial-scale commercial farming systems tend to reduce soil fertility more than small-scale subsistence farming systems.” [9 marks]
The essay should marked using the Paper 2, Section B essay markbands.
Google Docs Version
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.