The purpose of this lab is to observe the effects of different compositions of fertilizers on the seeds. If red radish seeds are placed exposed to different brands of fertilizers, how much, if at all will the germination process be effected? Which compositions will slow down, speed up, or not effect the process? In order to answer these questions we must preform a lab experiment on test several seeds and see how they react under these circumstances, and record our observations.
Friday, September 3, 2010
Introduction
Germination is the process by which a plant or fungus emerges from a seed or spore and begins growth. The germination process for red radish seeds takes, on average 3-4 days. They prefer direct sunlight, but also thrive in cooler conditions, like temperatures around 45-85 degrees. When placed in direct sunlight, red radish seeds change to a light green color. They respond to rich well drained soil. The soil should be freed of rocks, stones, clods, lumps, and undecayed organic materials.
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Radishes can not have too much fertilizer or it stunts the roots growth and creates too many leaves. Applying the right amount of fertilizer will speed up the growth of roots and vegetative parts of the radish plant. A good organic fertilizer will help it grow well. Nutri-Rich Garden Fertilizer, 100% organic, is recommended to be used for the germination. It's concentration is 4-3-3 and it promotes strong and healthy plant growth.
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http://www.planetnatural.com/site/garden-fertilizer.htm
Germination is defined as the beginning of growth, as of a seed, spore, or bud. The germination of most seeds and spores occurs in response to warmth and water. When a seed absorbs water, bursting the seed coat, a chain of chemical reactions initiate the development of the plant embryo. This lab will compare the amounts of fertilizer that radishes typically need for optimal growth.
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