Fertilizer and Plant Growth
Hard
Ever wonder how much fertilizer is too much or too little for plants? In this project, you'll find out by testing different concentrations of fertilizer on radish plants.
Hypothesis
The hypothesis is that watering the plant with too little or too much fertilizer will slow down plant growth.
Method & Materials
You will divide 15 pots into 5 groups, each with 3 plants. Each group will be watered with a different concentration of fertilizer. You will measure the average height of the plants after 10 days.
You will need 1 packet of radish seeds, 15 plastic pots, soil, Hasta Gro fertilizer, tap water, a ruler, 5 plastic containers, and a measurement cup.
Results
The results showed that the plants in group C, which had followed the recommended concentration of fertilizer, had the fastest growth in 10 days. The plants in group A and group E, which used concentration of fertilizers either too little or too much, had the slowest growth in the 10 days.
Why do this project?
This science project is interesting because it shows how important it is to use the correct amount of fertilizer for optimal plant growth.
Also Consider
Variations of this experiment could include testing different types of plants, such as bamboo or beans, or different brands of fertilizer.
Full project details
You can find additional information and details for this science fair project here. Have fun exploring!Related videos
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