Time Zone
Central
Which set of plants are dying? Are the leaves browning? I wouldn't recommend eating the seeds from any experiment.
Thats great.... Keep us posted on your observations and interpretation. Meanwhile, let me know if you have some questions about any aspect of the project.
This is to be expected. High nitrogen levels in the fertilizers make the plant grow faster and greener. There is also a limit on how much fertilizers plants can take. Too much can also burn the plants.