What are the ideal environmental conditions and soil type for the cultivation of cotton?
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Where irrigation is available it is cultivated on a variety of soils ranging from sandy to sandy loam and clay looms. Cotton being a deep-rooted crop, soil depth of less than 60 cm is considered unfavourable. Cotton grows best on neutral to slightly alkaline soils and a pH of 7.0 to 8.0 is considered optimum.
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- Under rainfed conditions, it is generally grown on soils with high water holding capacity provide better internal drainage and greater productivity. Where irrigation is available it is cultivated on a variety of soils ranging from sandy to sandy loam and clay looms. Cotton being a deep-rooted crop, soil depth of less than 60 cm is considered unfavourable. Cotton grows best on neutral to slightly alkaline soils and a pH of 7.0 to 8.0 is considered optimum. The minimum pH for successful cotton cultivation is 5.3. Cotton is sensitive to salinity only during germination and early crop establishment.
- Under rainfed conditions, it is generally grown on soils with high water holding capacity provide better internal drainage and greater productivity. Where irrigation is available it is cultivated on a variety of soils ranging from sandy to sandy loam and clay looms. Cotton being a deep-rooted crop, soil depth of less than 60 cm is considered unfavourable. Cotton grows best on neutral to slightly alkaline soils and a pH of 7.0 to 8.0 is considered optimum. The minimum pH for successful cotton cultivation is 5.3. Cotton is sensitive to salinity only during germination and early crop establishment.Established crop is extremely tolerant to salinity with a threshold E.C. of 7.7 ds/m and 50 per cent yield reduction at 17.7 ds/m E.C.
- Under rainfed conditions, it is generally grown on soils with high water holding capacity provide better internal drainage and greater productivity. Where irrigation is available it is cultivated on a variety of soils ranging from sandy to sandy loam and clay looms. Cotton being a deep-rooted crop, soil depth of less than 60 cm is considered unfavourable. Cotton grows best on neutral to slightly alkaline soils and a pH of 7.0 to 8.0 is considered optimum. The minimum pH for successful cotton cultivation is 5.3. Cotton is sensitive to salinity only during germination and early crop establishment.Established crop is extremely tolerant to salinity with a threshold E.C. of 7.7 ds/m and 50 per cent yield reduction at 17.7 ds/m E.C.The predominant cotton growing soils of India are sandy to sandy looms (Entisols and Inceptisols) in the north zone, black soils (vertisols) in central India and in a variety of red (Alfisols), alluvial (inceptisols) and mixed red and black soil in the southern zone.
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