Apart from the soil, weather is among the natural factors that determine
the volume of plant production. The size and quality of the crops
obtained are particularly determined by air temperature and precipitation.
Climate changes observed over the last several decades, characterized by
an increase in air temperature and a decrease in precipitation totals, lead
to deepening drought and steppe-formation of many areas in Poland. To
determine the magnitude of this phenomenon in the south-eastern part of
the Lublin region, meteorological data from stations operating in Zamość in
the period from 1976 to 2022 were used. On the basis of average monthly
values of air temperature and total precipitation, the value of the Sielianinow
coeffi cient was calculated in the growing season (April–October) and the
effectiveness of rainfall in individual months was determined. The obtained
results showed that in the studied area there was an increase in air temperature
and a decrease in the amount of atmospheric precipitation during the
analyzed period, which constitutes a serious threat of the occurrence of soil
drying and steppe-formation in this area.
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