Consider discussing the following: What was the purpose of the article Was a hypothesis clearly identified, if so what was it? 2022 latest answers
What did the researchers do (how was their experiment set up/Methods)? Do you see any flaws in their experimental design?
What did the researchers find (what were their most interesting results)? How did the researchers interpret their findings?
What was their conclusion? Was this conclusion in line with the findings? Is this study broadly applicable to the field of soil science?