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How much faster does horse manure help plants grow than regular garden dirt?
by:  Fritz Mansfield
* Hypothesis * Purpose * Materials * Procedure * Results * Conclusion * Bibliography & Links * 
 
Hypothesis 
I believe that the horse manure will accelerate the growth of the plants.  I think the plants in the horse manure will grow more rapidly than the plants that are planted only in the garden dirt.
Purpose 
I wanted  to see if manure would grow plants faster than dirt.
Materials   
  • twelve nasturtiums seeds 
  • two clay pots 
  • water 
  • pure horse manure 
  • garden dirt 
  • sunlight 
Procedure   
I have planted six nasturtiums seeds in a clay pot with garden dirt, and six nasturtiums seeds in a clay pot with only pure horse manure, no dirt.  I have watered them every two days, and have been very careful to give them all the same amount of water.  I have made sure that they have been exposed to the proper amount of sunlight as well.
Results   
The seeds that I planted in regular soil grew better than the seeds that I planted in pure horse manure. 
 
Conclusion 
The nasturtiums that I planted in the garden soil grew one foot and the nasturtiums that I planted in the horse manure didnít even sprout.
Bibliography & Links   
  • 1. "Plants." World Book #15. 1996 Edition. Copyright 1995 p.#516-550.
  • 2. "Manure." World Book #13. 1996 Edition. copyright 1995. p.#172.
  • 3. Dorling. The Visual Dictionary of Plants. New York. Dorling Kindersley, Inc: Copyright 1992.
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Fritz M.
Timber Ridge Magnet School