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Blahovec J., Yurov A., 2010. The influence of conductivity measurement on mechanical properties of potato tubers . Res. Agr. Eng., 56: 41-46. Deformation curves in uniaxial compression of raw potato tuber were analyzed at Nicola and Saturna varieties. In the first part of deformation (time 1 min), some part of specimens were loaded by electric field simulating simultaneous measurement of the specimen alternating-current conductivity (three levels of voltage 1, 5, and 10 V and three fre - quencies 1, 10, and 100 kHz). The obtained curves were analyzed by six parameters. In five of them no differences were approved statistically (α = 0.05). Only in the case of modulus of elasticity some differences were observed; however, the differences cannot be simply explained by the influence of the electric field.

The influence of conductivity measurement on mechanical properties of potato tubers - Short communication