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Are organic or inorganic fertilizers more effective?
The purpose of this project is to find out if organic or inorganic fertilizer will produce the fastest growth results. I predict the organic mixture of Alaska liquid fish emulsion will produce the fastest growth results.

Difficulty: Middle school

Compare rate of plant growth using two different growth hormones
The propagation of plants is a very important aspect of life due to the importance of plants. The ways in which plants can be propagated are discussed due to the time that it takes to grow a plant. The fastest and most efficient way to grow plants is wanted by all the industries that produce the plants for society. I have decided to determine the fastest way of propagation by testing how cuttings

Difficulty: Middle school

Do gases that are released in smoke enhance the germination rate of black pine seeds?
The purpose of this project is to see if gasses released in smoke enhance the germination rate of black pine seeds. I hypothesize the seeds exposed to the NO2 gas will have the highest germination rate. In order to determine if gasses released in smoke enhance the germination rate of black pine seeds, black pine seeds were obtained.

Difficulty: Middle school

Do plants grow at different rates when given different plant foods?
I wanted to know the growth difference in plants when different plant foods were being fed to them. I believed that if I used Miracle-Gro the plants would grow taller than the others, I believed this because Miracle-Gro seems to be the most popular nationally known plant food in the United States of America. I hoped that this investigation would tell me what plant food makes plants grow the fast

Difficulty: Elementary school

Do Plants Grow Better in Water or Soil?
The purpose of this experiment was to determine whether plants grow better in water or soil. I became interested in this idea when I started my experiment last year, and looking through books for research. The information gained from this experiment will help gardeners know how to grow their plants healthier, taller, and faster. -------------------------------------------------------------

Difficulty: Middle school

Do plants grow faster when grown hydroponically instead of in soil?

The purpose of this experiment was to determine in which condition plant shoots grow roots best: the conditions were in chemical solution, tap water, and soil.

Difficulty: Middle school

Do plants grown taller hydroponically or in soil?

The purpose of this experiment was to find out if radishes grow taller and have more leaves if grown hydroponically using the water culture method and grown hydroponically using the flood and drain method, or if grown "conventionally" in potting soil.

Difficulty: Elementary school

Does a pineapple grow best in sand, soil or water?

The purpose of this experiment was to determine if a pineapple (Ananus comosus) could be regenerated from its crown more effectively in rich soil, sand, or water.

Difficulty: Elementary school

Does classical music help plants grow?
My hypothesis is that classical music will help the plants to grow. I also believe that the plants that listen to country will have their growth stunted.

Difficulty: Middle school

Does gravity affect the direction in which plants grow?
If you've ever planted seeds in the ground, perhaps you have wondered just how do they know which way to grow. How do the roots know to grow down and how do the stems and leaves know to grow up?

Difficulty: Elementary school

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