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12/12/2004 7:21:00 PM
NPK Project

I would like to set up a hydroponics system to show how different levels of NPK affect plant development and growth. This project is intended to give people a basic idea of how important soil chemistry can be. I would like to purchase some fertilizers in specific concentrations (20-20-20, 10-20-20, 20-10-20, and 20-20-10), from the same company if possible so that the concentration of other ingredients does not interfere with the experiment. Any suggestions or ideas would be most welcome.
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