why should fields be irrigated
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Irrigation helps to grow agricultural crops, maintain landscapes, and revegetate disturbed soils in dry areas and during periods of less than average rainfall. Irrigation also has other uses in crop production, including frost protection, suppressing weed growth in grain fields and preventing soil consolidation.
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The field is needed to be irrigated before sowing because it loosens the soil and provide the soil moisture, nutrients and soften the soil. This allows the roots to penetrate deep into the soil. the loosen soil allows the roots to breath easli even when they grow deep into the soil. The loosened soil helps in the growth of microorganisms like earthworm etc.
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