Question

Why do farmers plough the topsoil during summer season?

Answer 1

Summer ploughing improves soil structure due to alternate drying and cooling. ... Since the capacity to absorb rainwater increases atmospheric nitrate mixed with water enters the soil and it increases soil fertility. Lot of insects and pests hibernate underneath the soil crust or stubbles during hot summer season.

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Answer 2

Farmers plough the topsoil during the summer season due to the following reasons-

• The alternate drying and cooling that occurs during summer ploughing enhance soil structure.
• It increases soil aeration, which aids in the growth of microorganisms.
• In order to increase the availability of nutrients to the plants, organic matter decomposition is accelerated through ploughing.
• The root systems of weeds and release of herbicide and pesticide residues from previous crop roots, which impede the growth of other surrounding plants can get removed by ploughing.
• As nitrate present in air coupled with water penetrates the soil due to ploughing, it promotes soil fertility and the capacity to absorb rainwater.
• The dirt is turned over during summer ploughing to allow the sun's rays to penetrate the soil and kill the eggs, larvae, and pupae of soil-borne insects and pests, which hibernate behind the soil crust during the hot summer months.

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