Sunflower |
Climatic Requirements
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|Variety
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Sunflower is a new crop in India. According to estimates of the trade and the Vanaspati Manufacturers's Association, 3,88,000 hectares of sunflower is being cultivated in India.
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Climatic Requirements
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The crop requires a cool climate during the germination and seedling growth. Seedlings tolerate frosts moderately well until they reach the four to six leaf stage of development. It requires warm weather from the seedling stage up to flowering stage and warm sunny days during flower to maturity.
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Season
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Sunflower is a photo-insensitive crop. Therefore it can be grown successfully in any season: Kharif, Rabi and Spring throughout India.
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Soil
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Sunflower can be grown on a wide range of soils and tolerates a moderate pH range and some salanity. It thrives best on deep loam soils with good drainage and irrigation facilities. The optimum range of soil pH for this crop is 6.5-8.5.
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Variety
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For increasing the productivity of Sunflower crop, the improved varieties which are capable of giving high yields should be cultivated. Selection of varieties depends mainly on the following factors:
- Method Of Sowing
- Crop Rotation
- Pest and Disease
- Irrigration Facilities
- Climatic Conditions
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