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Weed control using Bay laurel leavesFeatured science projectScience project video

Observation

The results showed that increasing the  concentration of the Bay laurel leaf juice  helped kill the weeds more quickly.

Concentration

Bay laurel leaf juice concentration and weed survival

Day1

Day2

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Day5

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Day12

0%

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

Y

25%

Y

Y

Y

Y

Y

Y

Y

Y

O

O

O

O

50%

Y

Y

Y

Y

Y

Y

O

O

O

O

X

X

75%

Y

Y

Y

Y

O

O

O

O

X

X

X

X

100%

Y

Y

Y

O

O

O

X

X

X

X

X

X

Y - weed still healthy, O – weed color changed, X – weed is dead

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Complexity level:
8
Project cost ($):
30
Time required:
2 hours to prepare, 12 days for science fair project
Material availability:
May be purchased from a plant nursery
Safety concerns:

Handle chemicals with care and dispose of them properly. Wear safety gloves and goggles to prevent injury