During a drought, a hard crust forms on the surface of the earth. Is it necessary to destroy it to prevent drying out of the lower soil layers?

There is a need to break up the hard crust on the surface of the earth to prevent drying out of the lower layers of the soil; small cracks and pores form on the crust, through which moisture evaporates from the lower layers of the soil. When the top layer of the earth is loosened, cracks and pores are destroyed, and moisture in the lower layers remains.

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