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Sand, Stilt and Clay - Coggle Diagram
Sand, Stilt and Clay
Clay
The finest particles
The sources of most of the chemical properties
Many plant nutrients
Calcium
Magnesium
Potasium
Phosphorus
A soil without clay particles can be a very infertile soil
Clays react with the breakdown products of organic matter to stabilize the humus in the soil
Clay are able to retain more water than almost sandy soils
Tendency to stick together
Difficult to till
Stilt
Intermediate
Size
Chemical and phisical properties
Between clay and size
Limited ability to retain plant nutrients
Tend to have spherical shape
Soapy or slippery when wet
Retains large ammounts of water
It releases it easily to plants
Hard to stick together
Sand
Small rock fragments
No hability to retain nutrients
Gritty feeling
Little hability to stick together
Cant form strings
Dry soils
Retain small amaount of water