virgin soil

Translations
непаханое поле
The researchers were excited to explore the virgin soil.
Исследователи были взволнованы, изучая непаханое поле.
Definitions
Virgin soil refers to land that has never been cultivated, farmed, or disturbed by human activity. It is in its natural, untouched state, often rich in nutrients and organic matter.
Words
virgin

noun
дева
virgin

adjective
девственный