Life Science Investigation: What is the optimal depth to plant speckled cranberry beans?

An ariel view of my speckled cranberry beans investigation.
An ariel view of my speckled cranberry beans investigation.
IMG_7096
More speckled cranberry beans!

Over the next 4-5 weeks, I will be investigating speckled cranberry beans planted at 4 different depths to determine the optimal growing depth. The 4 samples received the same type and amount of planting soil and they will also receive an identical amount of water. I determined the 4 different depths by using a ruler and a wooden dowel. The 4 depths at which the beans are planted are:

  1. The bottom of the cup
  2. Halfway
  3. 3/4 depth
  4. On top of the soil

I’ll be posting updates and photos as the weeks pass. My personal hypothesis is that the bean planted at 3/4 depth will grow the most over the next few weeks. Which depth do you think is ideal for speckled cranberry beans?  We’ll find out!

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