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Three Is a Crowd

CSEF · 2002 Plant Biology

Jessica S. Ng · Miller (Joaquin) Middle School, San Jose

Overview

Objectives/Goals The objective of my ecperiment was to determine the effect of density, if any, on the growth and development of Chinese broccoli. Methods/Materials I used 15 pots, soil and broccoli seeds. I filled all the pots with 2000ml of soil. In five pots I placed 3 seeds in each, in another five pots I placed 10 seeds each, and in the last five pots I placed 20 seeds each. I repeated the experiment using the same materials, but instead of 10 seeds I put 15 and instead of 20 I put 50. Results I discovered in both parts of my experiment that pots with more seeds produced taller but thinner broccoli, and pots with less seeds produced shorter but thicker broccoli.

Summary statement

I wanted to determine the effect of density on the growth and development of Chinese broccoli.

Help received

Teacher helped take pictures; Teacher helped get some materials

Awards (1)

  • Category Award

Competition history

  • CSEF 2002 Plant Biology · Entry J1621

Resources

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