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Journal of Biological Sciences
Year: 2001  |  Volume: 1  |  Issue: 5  |  Page No.: 358 - 360

Wheat Growth and Yield under Varying Water Qualities

F.C. Oad, S.A. Channa, N.L Oad, A. Soomro, Z.A. Abro and A.W. Gandahi    

Abstract: Four various water qualities Q1(EC =1.0 dS/m), Q2(EC = 1.5 dS/m), Q3(EC = 2.0 dS/m) and fresh canal water Q4(EC = 0.4 dS/m) were used to evaluate their effects over wheat growth and yield parameters. The results showed that, irrigation with canal water Q4 resulted significantly higher grain yield (4733.3 kg ha–1) followed by Q1 (3399.9 kg ha–1). However, the lowest growth rate and yield was observed in the experimental units receiving water quality Q2 (2116.6 kg ha–1) followed by Q3 (1333.3 kg ha–1). Growth and yield contributing parameters i.e. plants per plot, plant height, spike length, seed index and grain yield found to be superior in the continuos use of canal water, followed by plots where large proportion of canal water was applied in conjugation with tubewell saline water i.e.Q1(76%:24%), Q2(57%:43%), Q3(38%:62%). Thus, it is recommended that during shortage of canal water the canal and saline water could be used successfully in the proportion of 76% : 24% and 57% : 43% respectively for maximum wheat yield.

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