Sunflower Production - Concise GuideA
infiltration as well as to prevent wind and water erosion. Sunflower is usually cultivated in rotation with maize or sorghum and benefits from the dense mulches of these crops. Mulches protect the soil against the impact of raindrops, which seals the surface and reduces the infiltration rate but may enhance some other pests.
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www.kzndard.gov.zaTotal irrigation in an intensive vegetable enterprise requires about 8 000 000 l ( 8 000 m3) of water per annum for each hectare worked. This quantity will be lower in cool, moist areas, especially under drip irrigation, and appreciably higher in hot, dry areas, where less efficient flood irrigation is practised.
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