IB ESS 5.1.13 Texture affects productivity
IB ESS 5.1.13 Texture affects productivity
Practise explaining how soil texture changes affect drainage, aeration, nutrient retention and productivity, including simple data calculations.
How this is tested
- explain how adding sand changes drainage, infiltration and aeration in silty clay loam
- calculate a change in evaporation or water loss from soil data
- link texture changes to water retention, nutrient availability and plant growth