Soil monitoring of the Slovak Republic : current state and development of soil properties according to threats to soil - Kobza, Jozef, 1952-; Barančíková, Gabriela, 1960-; Dodok, Rastislav; Makovníková, Jarmila, 1962-; Pálka, Boris; Styk, Ján; Širáň, Miloš (National Agricultural and Food Centre, 2020)