| I am doing an experiment on Tomato seeds to see which kind of soil they grow taller and produce more tomatoes in,cow manure soil or potting soil? |
| The answer to your question will depend on the analysis of both soils so I really can't answer it for you. Since this is an experiment, you might want to take a look at the Cyberfair site for some pointers: http://www.isd77.k12.mn.us/res... |
