In my opinion, it is difficult to determine a clear trend here. line 446: In study of Cholewa et al (2018) DOI: 10.1016/j.forsciint.2022.111208, after about 200 days, the level of inorganic form of phosphorus (P2O5) in the soil with buried pig limbs differed from the control fields, as well as from each other (the depth of buried animal tissues was a differentiating factor). line 477: Results of Cholewa et al (2018) DOI: 10.1016/j.forsciint.2022.111208 confirm that it was the same with potassium.
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