Give reasons. a) Sandy soil need frequent irrigation for successful crop growth. b) Soil air content decrease by water logging. c) Earthworm are known as nature ploughman. d) We cannot make pots with sandy soil.
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a) sandy soil is porous has air holes therefore cannot hold water
b)as no water can penetrate through the soil thus all air escapes as water occupies the space of air
c) as they make the soil porous
d) as they do not hold water (refer a part )
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