Seattle moved the whole city one floor higher because the toilets flooded back up with the incoming tide. Apparently, the first camps and some building had the water at their back door as they were on the tidal plain. Cool tour, highly recommend!

Then those differences should be explicitly pointed out in the materials and methods as well as how they affect the results in the discussion.

There are a lot of proprietary soil mixes and nutrient/fertilizer regimes. Without this knowledge it is impossible for other groups to repeat this work. As such, the data has some use but is lacking enough detail to be less than definite.