why is it said that plasticity and cohesion play an important role in the workability of a soil
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Plasticity is a soil property which enables a moist soil to change shape
on an applied force and retain this shape even when the force is withdrawn. Thus sandy soils are
considered as non-plastic and clayey soils as plastic. Cohesion, on the other hand, is a property
of the particles to stick to one another by cohesive force. Plastic soils are cohesive. Plasticity and
cohesion reflect the soil consistency and workability of the soils. Black soils are highly plastic
and highly cohesive making tillage operation difficult.
on an applied force and retain this shape even when the force is withdrawn. Thus sandy soils are
considered as non-plastic and clayey soils as plastic. Cohesion, on the other hand, is a property
of the particles to stick to one another by cohesive force. Plastic soils are cohesive. Plasticity and
cohesion reflect the soil consistency and workability of the soils. Black soils are highly plastic
and highly cohesive making tillage operation difficult.
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plasticity: helps the soil to change it safe so we can store large amount of soil in small pots and plants.
cohesion : helps to bind the wild which can avoid soil erosion
cohesion : helps to bind the wild which can avoid soil erosion
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