Various rates of K and Na influence growth, seed cotton yield and ionic ratio of two cotton varieties in soil culture. | [Pakistan Journal of Agricultural Sciences • 2009]

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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