Module 1, “How ‘Healthy’ is Your Soil?”
looks firstly (in unit 1.1) at the properties of a healthy soil (its friability,
water and nutrient storage, its resistance to erosion and its
freedom from pests and disease.
Unit 1.2 then outlines how
different soil types are classified and described through the
soils colour and texture in each profile.
unit 1.3, examines water and wind erosion and the ways in which each
decreases the soil's productive potential.