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Pakistan Journal of Biological Sciences
Year: 1999  |  Volume: 2  |  Issue: 3  |  Page No.: 911 - 913

Yield Response of Rainfed Groundnut to Sulphur and Phosphorus Application

G. Nabi, M. Salim and Rahmatullah    

Abstract: A field experiment was conducted to evaluate the response of groundnut (cv. Bard 699) to N, P and S application on a Typic Torrior Then soil. Application of N and P significantly (p < 0.05) improved kernal and dry matter yield of groundnut. Addition of S either from potassium sulphate (SOP) or single superphosphate (SSP) further increased groundnut yield. However, S addition from SOP yielded 15 Per cent higher than SSP. Superiority of SOP over SSP was attributed to its quicker release rate of nutrients and hence better utilization by the plants. Nevertheless, combined application of N, P and S increased groundnut yield by 57 to 63 Per cent over control. It is concluded that combined application of S with N and P is beneficial for rainfed groundnut.

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