Science Class 5 Other

Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.

Farmers always plough or turn the soil before they plant seeds because

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A It loosens the soil and allows air to enter into the spaces between the soil particles
B Sprouting seeds will be able to use the trapped air
C Plants will absorb some air through their roots and also take in water and minerals from the soil
D All of these

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Answer: D. All of these

Ploughing is essential because it prepares the soil in several ways:
Aeration: It loosens the soil so air can reach the roots.
Respiration: It creates air spaces that sprouting seeds use to breathe.
Absorption: It makes it easier for roots to penetrate deep to absorb water and nutrients

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Farmers always plough or turn the soil before they plant seeds because

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