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Correlation between yield and other treats in sugar beet (Beta vulgaris L.) under application of different biofertilizers and irrigation

Amin Farnia, Gholamreza Hashemi

Department of Agriculture, Boroujerd Branch, Islamic Azad University, Boroujerd, Iran

Key words: Biofertilizer, correlation between treats, irrigation and yield.

Abstract

23023This study was conducted at Dorud region, Iran, during 2013. The aim of this research was study on correlation between yield and some agronomic characteristics of sugar beet (Beta vulgaris L.) under of different biofertilizers and irrigation closed time. The experimental design was factorial based on RCBD with three replications. Treatments were three irrigation closed time [Oct-6 (A1), Oct-13 (A2) and Oct -21 (A3)] and three nitrogen biofrtilizers [Nitroxin (B1), Nitrokara (B2), Biozar (B3) and control (B4)]. After treatments 3m2 in each plot harvested for leaf and root yield measurement. Sugars, K%, Na% and N% were determined by Betalizer machine in Isfahan sugar beet factory. Results showed that, the effect of irrigation on root yield, sugar yield and white sugar yield were significant. The effect of different biofertilizers were significant on root yield, K%, N%, alkalinity coefficient and sugar yield and white sugar yield. Interaction effect of irrigation and biofertilizers were significant on root yield, sugar yield and white sugar yield only. Application of different biofertilizers and different irrigation closed time reviled that among the all treatment highest root yield was belonged at application of Biozar in Oct-13 irrigation closed time and minimum root yield was belonged at application of Nitrokara in Oct-21 irrigation closed time. The correlation matrix indicated strong and significant (p<0.01) correlation of root yield with sugar yield and white sugar yield (r=0.97 and 0.95) respectively. Also results showed had significant (p<0.05) positive and negative correlation between root yield and N % and alkalinity coefficient respectively. In final our results showed that with increase in root yield, sugar yield and white sugar yield increased and N % and alkalinity coefficient decreased.

Get the original articles in English: http://www.innspub.net/volume-6-number-3-february-2015-ijb/

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