Plant Growth

Question

Hi! I would like some help answering questions regarding a science fair experiment related to gardening. My experiment is the effect of caffeine on plant growth.

1. Have studies regarding caffeine in agriculture been conducted before? If so, what was the outcome of these studies?

2. Does the type of plant influence the effect caffeine has on it?

3. Do you have any suggestions or recommendations regarding my experiment?

Answer 1

Here's an article from our archives.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/will-caffeine-affect-plant-growth.htm

For scientific papers, have a cup of tea and enter an Internet search for "caffeine effects on plants". You will find a list of references, like these:

https://www.education.com/science-fair/article/effect-caffeine-plant-growth/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1276408/
https://www.hunker.com/13428051/caffeine-effects-on-plant-growth

http://www.all-science-fair-projects.com/project1169_50_1.html