Different sets of lab experiments where carried out such as to check the acidity of the soil as well as Ion Chromotography in the water.
samples where taken from two levels, in the soil. Variations in the composition of these would thus give the project group an idea of the nutrients levels in the soil.
Ion Chromotography is used to assess the anions present in the sample. In this case, nitrates will be analysed.
More information on this can be found on the following website: https://serc.carleton.edu/microbelife/research_methods/biogeochemical/ic.html
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