Effect of Different Irrigation Water Qualities on Turnip Production and Water Productivity under Furrow Irrigation Method


Irrigating water qualities, Furrow irrigation method, Turnip growth, Turnip yield, Water productivity.

How to Cite

Ashifa Soomro, Abdullah Baloch, Shakeel Ahmed Soomro, Ahmed Ali Tagar, Shoukat Ali Soomro, & Allah Wadhayo Gandahi. (2017). Effect of Different Irrigation Water Qualities on Turnip Production and Water Productivity under Furrow Irrigation Method. Journal of Basic & Applied Sciences, 13, 340–346. https://doi.org/10.6000/1927-5129.2017.13.56


A field experiment was conducted at Sindh Agriculture University Tandojam during the year 2015-16, aiming to investigate the response of turnip crop to various salinity levels of irrigation. The experiment was placed applying randomized complete block design (RCBD) with four different treatments i.e. Freshwater (I1), ECw with 2.5, 3 and ECw3.5 dS m-1 (I2, I3 and I4) respectively replicated thrice. The results for experiment placed revealed an average increase in soil ECe 0.09, 0.17, 0.26 and 0.38 dS m-1 under I1, I2, I3 and I4 respectively. An decrease in dry density (g cm-3) of soil profile, decrease in pH 0.19, 0.38, 0.5 and 0.84 in treatments I1, I2, I3 and I4 respectively and an decrease in agronomical data i.e. weight and diameter were also observed with an increase in ECw by the water being irrigated. Crop water productivity with 5.83, 4.35, 2.97 and 1.85 kg m-3 for treatmentsI1, I2, I3 and I4 respectively also decreased with an increase in ECw and Nacl. Average yield of 19.27, 14.37, 9.83 and 6.12 kg was obtained with applied treatments i.e. I1, I2, I3 and I4 respectively, thus a decrease in yield with 25.45%, 31.60% and 37.72% with treatments I2, I3 and I4 was observed when compared as treated by freshwater (I1). Therefore farmers can use irrigation water having ECw 3.5 dS m-1 for the turnip crop at reduction of 37.72% (approximately).



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Copyright (c) 2017 Ashifa Soomro, Abdullah Baloch, Shakeel Ahmed Soomro, Ahmed Ali Tagar, Shoukat Ali Soomro , Allah Wadhayo Gandahi