Effect of Every-Other Furrow Irrigation on Water Use Efficiency, Starch and Protein Contents of Potato

Mohammad Shayannejad and Ali Moharreri

Journal of Agricultural Science, 2009, vol. 1, issue 2, 107

Abstract: The every-other furrow irrigation is one of the mothods of deficit irrigation in furrow irrigation system. In this research,a randomized complete block design with three irrigation treatment and four replication on potato was stablished inAgricultural Research Center,Shahrekord, Iran. The irrigation treatments were- normal furrow irrigation(N), fixedevery-other furrow irrigation(F) and alternative(variable) every-other furrow irrigation(V). The frequency of irrigationwas constant and depth of it was calculated by measurement of soil moisture deficit and the volume of irrigation waterwas measured by a volumetric counter. The water and soil quality was normal (EC less than 1 ds/m). The differentfertilizers were used. After harvesting, water use efficiency, starch and protein content were measaured for each plot.There was significant difference between water use efficiency under different treatments, so that, the F treatment hadthe most water use efficiency. The every-other furrow irrigation decreased the starch content significantly. The Vtreatment increased the starch content significantly related to F treatment. There was no significant difference betweenthe protein contents in the three treatments.

Date: 2009
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