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CHARACTERISATION OF SOIL IN THE FIELD

 

In the field, soil texture can be easily determined by observing the behaviour of a handful of moist soil, kneaded into a ball. The table below describes how the three basic soil types can be determined using this method.

 

SOIL TEXTURE

BEHAVIOUR OF SOIL BALL

RIBBON

SAND

Forms a very weak ball.

Ribbon will not form.

LOAM

Firm ball forms.

Smooth and spongy feel.

Short ribbon forms < 2.5cm

CLAY

Ball very firm, feels sticky, plastic-like.

Long ribbon

forms > 2.5cm

 
 

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