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Topics  > Biology > Botany

Effect of milk on plant growthFeatured science projectScience project video

Observation

It is observed that the tomato plants in the pot that was watered with water grew very well. However, none of the tomato seeds in the pot that was watered with milk germinated. The soil also became very hard and gave off an unpleasant smell.
 

Watering Average height of tomato plants (mm)
  Day 5 Day 6 Day 7 Day 8 Day 9 Day 10 Day 11 Day 12 Day 13 Day 14
Water 0 2 5 9 13 17 22 27 35 42
Milk 0 0 0 0 0 0 0 0 0 0

Use the below graph to plot the results of above observation.
 

milk and plants science fair project

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Complexity level:
4
Project cost ($):
20
Time required:
1 day to prepare, 14 days for observation
Material availability:
Easily found
Safety concerns:

Basic safety requirements