Plant growth in response to three types of electrode assemblies in the soil around chickpea plants. From left to right, C represents control with no voltage, SC indicates Short Circuit, OC is for Open Circuit and CC is Closed Circuit. Credit: S. Venkata Mohan
Bioengineers have shown that low voltage generated in the soil around plant roots can be harnessed to stimulate growth in mung bean and chickpea plants1.
Soil microbes interact with plant roots to generate low voltage. Specific electrodes planted in the soil conver
