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Effect of electricity on plant growthFeatured science projectScience project video

Conclusion

The hypothesis that  radish seeds  induced with  DC electric voltages  will grow more quickly, is proven to be true.

Many electroculture experiments are being done in laboratories to show  that introducing an electric or magnetic field will enhance plant growth and seed germination. This method can be used in plant nurseries to improve the yield of plants being nurtured.

Also consider

Try to repeat the science project experiment by comparing the growth rate using different voltages like DC6V or DC12V.

The experiment can also be done by changing length of time of exposure to the DC current and comparing plant growth.

References

Electricity may play a role in plant growth - http://www.nytimes.com/1985/04/09/science/electricity-may-play-role-in-plant-growth.html

Electricity to induce plant growth - http://www.thehindu.com/thehindu/2000/03/30/stories/08300009.htm

What effect on plant metabolism and growth does electricity have? http://www.madsci.org/posts/archives/jun99/927642916.Bt.r.html

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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