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Various rates of K and Na influence growth, seed cotton yield and ionic ratio of two cotton varieties in soil culture.
Author(s):
1. Liaqat Ali: Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
2. Rahmatullah: Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
3. Muhammad Aamer Maqsood: Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
4. Muhammad Ashraf: Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
5. Shamsa Kanwal: Institute of Soil & Environmental Sciences, University of Agriculture, Faisalabad, Pakistan
6. Tariq Aziz: Sub-campus University of Agriculture, Faisalabad at Depalpur, Okara, Pakistan
Abstract:
Cotton is generally grown on alkaline calcareous soils in arid and semi-arid areas of the country. Sodium can interact with other earth cations like K, Ca and Mg. Therefore, a pot study was conducted to investigate the growth, yield and ionic response of two cotton varieties. Four levels of K and Na were developed after considering indigenous K, Na status in soil. The treatments of K+Na in mg/kg were adjusted as: 105+37.5, 135+30 135+37.5 and 105+30 (control). Control treatment represented indigenous K, Na status of soil. The experiment continued until maturity. Application of K and Na increased seed cotton yield and boll weight significantly (p
Page(s): 90-95
DOI: DOI not available
Published: Journal: Pakistan Journal of Agricultural Sciences, Volume: 46, Issue: 2, Year: 2009
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