High-yielding varieties (HYVs) are any of a group of genetically enhanced cultivars of crops such as rice, maize and wheat that have an increased growth rate, an increased percentage of usable plant parts or an increased resistance against crop diseases. Those crops formed the basis for the Green Revolution. In general, they require a higher level of agricultural care, such as intensive disease control, higher fertilizer levels and controlled water supply.

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  • High-yielding varieties (HYVs) are any of a group of genetically enhanced cultivars of crops such as rice, maize and wheat that have an increased growth rate, an increased percentage of usable plant parts or an increased resistance against crop diseases. Those crops formed the basis for the Green Revolution. In general, they require a higher level of agricultural care, such as intensive disease control, higher fertilizer levels and controlled water supply. While those crops have enabled the multiplication of agricultural production, their increased demands of fertilizers, pesticides and water control have drawn criticism from environmentalists. Another name is high-response variety, as the high yield requires high input.
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  • June 2009
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  • High-yielding varieties (HYVs) are any of a group of genetically enhanced cultivars of crops such as rice, maize and wheat that have an increased growth rate, an increased percentage of usable plant parts or an increased resistance against crop diseases. Those crops formed the basis for the Green Revolution. In general, they require a higher level of agricultural care, such as intensive disease control, higher fertilizer levels and controlled water supply.
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  • High-yielding variety
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