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Effect of electricity on plant growthFeatured science projectScience project video

Abstract

This science fair project was conducted to find out how electricity affects the growth of plants. The experiment was done by supplying DC 9V to the soil containing radish seeds and observing the rate of plant growth.

Hypothesis

Radish seeds that are induced with DC voltages grow more quickly.

Scientific Terms

Electroculture, germination, electric fields

Background

Electricity and plants

Electroculture involves the study of the effects of electricity and electric fields on the rate of seed germination and plant growth. This is an area of science where a lot of experimentation is being conducted. Researchers are starting to find evidence that plant growth can be enhanced by taking advantage of the sensitivity of plant cells to electric currents.

Observations have been made that certain types of grass appear healthier after a thunderstorm and grass that grows below an electric power cable generally look greener. However, these observations have been disputed by skeptics claiming that grass appear healthier after a thunderstorm as they have been given a good wash by the falling rain. As for the grass that grows under electric power cables, skeptics allege that the droppings from birds that sit on the power lines act help fertilize the grass.

Certain scientists suggest that while plants need all the known conditions such as sufficient sunlight, air, water and nutrients to grow, the presence of an electric current help to enhance plant growth. However, if the other conditions are not available, the presence of an electric field will not make a difference.

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Complexity level:
8
Project cost ($):
20
Time required:
1 day to prepare, 14 days for the science project experiment
Material availability:
Easily found
Safety concerns:

Be careful when handling batteries and electric currents. Adult supervision recommended