Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.1 MΩ measured between two electrodes placed 20 cm apart along the leaf. The leaf has a width of 2.6 cm and is 0.20 mm thick.
It is Greater than the resistivity of muscle tissue in the human body. Muscle, liver, and heart muscle tissue have specific resistances of around S00 ohm cm at a frequency of 1 Kc. The resistivity of lung tissue is slightly higher, around 1000 ohm cm. Fat has a much greater specific resistivity, with values ranging from 1500 to 5000 ohm cm.
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