Question about growing plants for a science fair project?

My daughter has a science fair project due in 10 days. She needs to find out if plants grow faster in sand or in dirt. With little time left, I did not want to end up with nothing growing.



Any suggestions on what type of plant seed or even maybe grass seed that will grow in time?

Question about growing plants for a science fair project?
The cucifer Brassica rapa, a relative of bok choy, mustard %26amp; radish, has been selected to have a uniform, short time til flowering ~14 days. You would be able to see differences in growth long before this time.

They grow well indoors, with artificial lights. These are called Wisconsin Fast Plants and are used in research, they are not suitable for growing outdoors.

http://www.fastplants.org/

After this plant a radish seed would be a good choice. They take 2-4 days to germinate so will work well.



Use good water. If your tap water is filtered and not hard water use it but it should be at room temperature. If you are not sure of your water buy some distilled water.

Place the seeds between two damp but not dripping coffee filters or paper towels. Place in a sealable sandwich bag %26amp; wait 48 hrs. with the bag in a room at 68-72 F (Optimum soil temperature for seed germination is 45 to 85 F. Radish seed will not germinate when the temperature is above 95 F.) They do not need to be in the dark. Once the root tip is visible transfer the seed to a moist seed tray filled potting mix under grow lights. Do not touch the seeds with bare fingers use wet chop sticks to move the germinated seed or use very gentle tweezers. Plant with root tip facing down.
Reply:Order some Rapid cycling Brassica rapa from Carolina biological supply or wisconsin fast plants. The plant's entire life cycle is only 30 days. The seeds will sprout in a few days, and are mature in two weeks. This is the classical plant model for botanical research.
Reply:Try radish seeds. They germinate in a day or so and are ready to be picked in about 21 days. Grow some in a 10 gallon fish tank with the seeds along the glass and you can see them under the soil. Use nice soil about 8" thick. don't over water
Reply:Wisconsin Fast Plants are your best bet. Try to contact your nursery or a university's agricultural extension division.
Reply:kudzu is one of the fastest growing plants i know of.

also try bamboo, but i'd get started now if you want measurable results by the deadline.
Reply:Bean seeds.
Reply:radishes, rye grass, oats, lettuce,



from the kitchen - popcorn and dry beans
Reply:Dirt with Miracle Grow for plants grass rakes 7 to 10 days to start growing.
Reply:Marigold or radish seeds would make good choices. With a nod to the other answerer, I think radishes might germinate quicker.
Reply:one of the fastest seed is the bean...........and it grows beeter in soil or dirt.........sand doesn't have that much nutrients