After collecting soil samples, they were transported to the laboratory, where they were dried for several days . First, the soil was crushed in a mortar to break up permanent soil aggregates, and then to separate from skeletal parts, sieved through a sieve 2mm mesh.
<p>Next, from each measuring station, two 10g containers of soil were weighed, and then 25ml H2O was added to one of them to measure active acidity, and 25ml KCl solution was added to the other to measure exchange acidity.
Samples prepared in this way were left  for 24 hours in the laboratory. Then the acidity was measured using an electronic meter
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In order to determine soil buffering, 10g to 11 containers were weighed from each of 10 additionally taken soil samples. Distilled water, KCl and NaOH were added to the weighers in appropriate proportions, the soil samples were thoroughly mixed and after waiting 5 minutes the pH values were measured. Similar activities were carried out with sand samples. From the results obtained, charts were drawn to determine the area of soil buffer capacity, where the sand served as a standard solution.
<a href="//commons.wikimedia.org/w/index.php?title=User:Burczas&amp;action=edit&amp;redlink=1" class="new" title="User:Burczas (page does not exist)">Łukasz Bury</a>
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<span class="int-own-work" lang="en">Own work</span>