Adam Matyszczak, MSc, a doctoral student of the Siedlce University Doctoral School, is the author of popular science articles in the monthly magazine Wieś Mazowiecka, published by the the Mazovian Agricultural Advisory Center in Warsaw. The series of four articles concerns the fertilization of plants with nitrogen, phosphorus, potassium and the issue of whether soil analysis is necessary and profitable? The subject matter of the articles is addressed to farmers and and is in line with the principles of the European Green Deal in agriculture.