Power analysis. Summary. Before you do an experiment, you should perform a power analysis to estimate the number of observations you need to have a good chance of detecting the effect you're looking for. Introduction. When you are designing an experiment, it is a good idea to estimate the sample size you'll need.
Lactobacillus acidophilus (L. acidophilus) is the most commonly used probiotic, or good bacteria. Many healthy bacteria live in the intestines and vagina where they protect against the bad bacteria that cause disease. They do this in a couple of ways.
Soil ~ 6.0 - 7.0 pH. In the wild, cannabis prefers a slightly acidic soil environment. For soil an optimum root zone pH for cannabis is between 6.0 and 7.0, with the most time spent with a pH between 6.2 - 6.9. It's a good idea to let the pH cover a range instead of always adjusting to the exact same pH number.