State the factors that determine the number of harrowing by clicking the correct statement.
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1)
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Crop to be grown/Size of seed
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2)
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Money available
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3)
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Slope of the land
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4)
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Condition of the land after primary cultivation
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5)
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Moisture content of the soil
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6)
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Type of implement used
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7)
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The type of soil
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8)
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Cultivation skills
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