Brassica rapa - Introduction In a controlled environment...

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Introduction In a controlled environment with a constant temperature, regular watering, and sufficient light, plants can grow freely without the normal environmental threats posed to them in the wild, such as cold, animals, agriculture additives like fertilizers, and even man disrupting the plants growth and reproductive cycles(Conner and Zangori, 1998). In this experiment I have conducted, I wanted to observe and compare plant species in a controlled laboratory setting. I was interested in finding what differences, if any, there would be in the same species of plant growing in a regular potting soil compared to the same species of plant growing in the same soil, but with a fertilizer added to it. The plant species used in this experiment was Brassica rapa, B. rapa is ideal for this type of experiment, as it grows quickly, maturing in about 30 days. This short growing time makes them easier to experiment with than most other plants (Encarta, 2004). As the plants grew, comparisons of plant features such as plant height, width of leaves, and number of leaves, were observed and recorded in both the control group, without fertilizer, and the experimental group, with the fertilizer, in an attempt to see if there is in fact a significant difference in plants grown with fertilizer and without fertilizer (Purington and Bergelson, 1999). My null hypothesis states that there will be no significant difference in plant growth between the control and fertilized groups. In an
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Brassica rapa - Introduction In a controlled environment...

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